{"id":4374,"date":"2024-07-16T13:00:20","date_gmt":"2024-07-16T07:30:20","guid":{"rendered":"https:\/\/www.tutoroot.com\/blog\/?p=4374"},"modified":"2024-08-28T15:18:47","modified_gmt":"2024-08-28T09:48:47","slug":"what-are-anode-and-cathode-anode-and-cathode-difference","status":"publish","type":"post","link":"https:\/\/www.tutoroot.com\/blog\/what-are-anode-and-cathode-anode-and-cathode-difference\/","title":{"rendered":"What are Anode and Cathode? &#8211; Anode and Cathode Difference"},"content":{"rendered":"<h2 aria-level=\"3\"><b><span data-contrast=\"none\">Introduction\u00a0<\/span><\/b><\/h2>\n<p><span data-contrast=\"auto\">In the world of chemistry, understanding the concepts of anode and cathode is fundamental, especially when studying electrochemical reactions and electrolysis. These terms are pivotal in the functioning of batteries, electroplating, and other industrial processes. This article will delve into what anode and cathode are, provide examples, and explain their roles in electrolysis. Additionally, we will explore the differences between anode and cathode, making the concepts clear and easy to grasp for students and enthusiasts alike.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<h2 aria-level=\"3\"><b><span data-contrast=\"none\">What are Anode and Cathode?<\/span><\/b><\/h2>\n<p><span data-contrast=\"auto\">Anode and cathode are terms used to describe the electrodes in an electrochemical cell. An electrode is a medium that allows electric current to flow into or out of a material, substance, or specific area. In simple terms:<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<ul>\n<li><b><span data-contrast=\"auto\">Anode:<\/span><\/b><span data-contrast=\"auto\"> This is the point where electrons are lost (oxidation).<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<li><b><span data-contrast=\"auto\">Cathode:<\/span><\/b><span data-contrast=\"auto\"> This is the point where electrons are gained (reduction).<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"auto\">These definitions hold true in both galvanic (voltaic) cells and electrolytic cells, but the direction of electron flow and the type of chemical reactions at each electrode can differ depending on the type of cell.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<h2><b><span data-contrast=\"auto\">What is Anode?\u00a0<\/span><\/b><\/h2>\n<p><span data-contrast=\"auto\">The anode is the electrode where oxidation occurs. Oxidation is the process of losing electrons, which means the anode releases electrons into the external circuit. In a galvanic cell (like a battery), the anode is the negative terminal because it is the source of electrons. However, in an electrolytic cell, the anode is the positive terminal because it attracts anions (negative ions) from the electrolyte.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<h3><b><span data-contrast=\"auto\">Examples of Anode\u00a0<\/span><\/b><\/h3>\n<ul>\n<li><b><span data-contrast=\"auto\">Galvanic Cell<\/span><\/b><span data-contrast=\"auto\">: In a zinc-copper galvanic cell, the zinc electrode serves as the anode. Zinc loses electrons and undergoes oxidation, forming zinc ions (Zn\u00b2\u207a).<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<li><b><span data-contrast=\"auto\">Electrolysis of Water<\/span><\/b><span data-contrast=\"auto\">: In the electrolysis of water, the anode is made of an inert material like platinum or graphite. At the anode, water molecules undergo oxidation, leading to the production of oxygen gas.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<li><b><span data-contrast=\"auto\">Electroplating<\/span><\/b><span data-contrast=\"auto\">: In copper electroplating, the copper plate being used as the source of copper atoms is the anode. Copper atoms lose electrons and go into the solution as Cu\u00b2\u207a ions.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<\/ul>\n<h2><b><span data-contrast=\"auto\">What is Cathode?\u00a0<\/span><\/b><\/h2>\n<p><span data-contrast=\"auto\">The cathode is the electrode where reduction occurs. Reduction is the process of gaining electrons, meaning the cathode receives electrons from the external circuit. In a galvanic cell, the cathode is the positive terminal because it receives electrons. In an electrolytic cell, the cathode is the negative terminal because it attracts cations (positive ions) from the electrolyte.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<h3><b><span data-contrast=\"auto\">Examples of Cathode<\/span><\/b><\/h3>\n<ul>\n<li><b><span data-contrast=\"auto\">Galvanic Cell<\/span><\/b><span data-contrast=\"auto\">: In a zinc-copper galvanic cell, the copper electrode serves as the cathode. Copper ions (Cu\u00b2\u207a) gain electrons and undergo reduction, depositing copper metal on the electrode.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<li><b><span data-contrast=\"auto\">Electrolysis of Water<\/span><\/b><span data-contrast=\"auto\">: In the electrolysis of water, the cathode is typically made of platinum or graphite. Hydrogen gas is produced at the cathode through the reduction of water molecules.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<li><b><span data-contrast=\"auto\">Electroplating<\/span><\/b><span data-contrast=\"auto\">: In copper electroplating, the object to be plated (like a spoon) serves as the cathode. Copper ions in the electrolyte receive electrons and form a thin layer of copper metal on the object&#8217;s surface.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" class=\"size-medium wp-image-4493 aligncenter\" src=\"https:\/\/www.tutoroot.com\/blog\/wp-content\/uploads\/2024\/07\/What-are-Anode-and-Cathode-Anode-and-Cathode-Difference-300x169.jpg\" alt=\"What are Anode and Cathode? - Anode and Cathode Difference\" width=\"300\" height=\"169\" srcset=\"https:\/\/www.tutoroot.com\/blog\/wp-content\/uploads\/2024\/07\/What-are-Anode-and-Cathode-Anode-and-Cathode-Difference-300x169.jpg 300w, https:\/\/www.tutoroot.com\/blog\/wp-content\/uploads\/2024\/07\/What-are-Anode-and-Cathode-Anode-and-Cathode-Difference-1024x576.jpg 1024w, https:\/\/www.tutoroot.com\/blog\/wp-content\/uploads\/2024\/07\/What-are-Anode-and-Cathode-Anode-and-Cathode-Difference-768x432.jpg 768w, https:\/\/www.tutoroot.com\/blog\/wp-content\/uploads\/2024\/07\/What-are-Anode-and-Cathode-Anode-and-Cathode-Difference-1536x864.jpg 1536w, https:\/\/www.tutoroot.com\/blog\/wp-content\/uploads\/2024\/07\/What-are-Anode-and-Cathode-Anode-and-Cathode-Difference-2048x1152.jpg 2048w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<h2><b><span data-contrast=\"auto\">Anode and Cathode in Electrolysis<\/span><\/b><\/h2>\n<p><span data-contrast=\"auto\">Electrolysis is a method that utilizes electrical energy to initiate a chemical reaction that wouldn&#8217;t occur on its own. This process is widely used in various industrial applications, such as the extraction of metals, electroplating, and the production of chlorine gas and caustic soda.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<h3 aria-level=\"4\"><b>Basic Principle of Electrolysis<\/b><\/h3>\n<p><span data-contrast=\"auto\">In an electrolytic cell, an external voltage source (like a battery) is connected to two electrodes submerged in an electrolyte solution. The electrolyte contains ions that can move to the electrodes, where they either gain or lose electrons, resulting in chemical reactions.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<ul>\n<li><b><span data-contrast=\"auto\">Anode (Positive Electrode)<\/span><\/b><span data-contrast=\"auto\">:<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<\/ul>\n<ol>\n<li><span data-contrast=\"auto\">Oxidation occurs at the anode.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Negative ions (anions) in the electrolyte are attracted to the anode.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"%2.\" data-font=\"Aptos\" data-listid=\"2\" data-list-defn-props=\"{&quot;335552541&quot;:0,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769242&quot;:[65533,4],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;%2.&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"3\" data-aria-level=\"2\"><span data-contrast=\"auto\">At the anode, anions lose electrons (oxidation) and form neutral atoms or molecules.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<\/ol>\n<ul>\n<li><b><span data-contrast=\"auto\">Cathode (Negative Electrode)<\/span><\/b><span data-contrast=\"auto\">:<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<\/ul>\n<ol>\n<li><span data-contrast=\"auto\">Reduction occurs at the cathode.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Positive ions (cations) in the electrolyte are attracted to the cathode.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">At the cathode, cations gain electrons (reduction) and form neutral atoms or molecules.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<\/ol>\n<h2 aria-level=\"4\"><b>Importance of Electrolysis<i><span data-contrast=\"none\">\u00a0<\/span><\/i><\/b><\/h2>\n<p><span data-contrast=\"auto\">Electrolysis plays a crucial role in modern industry and technology. It allows for the extraction of pure metals, the production of essential chemicals, and the enhancement of material properties through electroplating. Understanding the principles of electrolysis, particularly the roles of anode and cathode, is fundamental for students and professionals in chemistry, materials science, and engineering.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<h2 aria-level=\"4\"><b>Step-by-Step Process of Electrolysis<\/b><\/h2>\n<ol>\n<li><b><span data-contrast=\"auto\">Application of Voltage<\/span><\/b><span data-contrast=\"auto\">: When the external voltage source is connected, an electric field is established between the anode and cathode.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<li><b><span data-contrast=\"auto\">Movement of Ions:<\/span><\/b><span data-contrast=\"auto\"> The electric field in the electrolyte causes ions to move towards the electrodes. Positive ions (cations) are attracted to the cathode, while negative ions (anions) are drawn to the anode.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<li><b><span data-contrast=\"auto\">Oxidation at the Anode<\/span><\/b><span data-contrast=\"auto\">: At the anode, anions lose electrons (oxidation) and form neutral atoms or molecules. These may either dissolve in the electrolyte or be released as gases.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<li><b><span data-contrast=\"auto\">Reduction at the Cathode<\/span><\/b><span data-contrast=\"auto\">: At the cathode, cations gain electrons (reduction) and form neutral atoms or molecules, which may deposit on the electrode or be released as gases.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<\/ol>\n<p aria-level=\"4\"><b>Example: Electrolysis of Water<\/b><\/p>\n<p><span data-contrast=\"auto\">The electrolysis of water is a classic example that demonstrates the principles of electrolysis. In this process, water (H\u2082O) is decomposed into oxygen (O\u2082) and hydrogen (H\u2082) gases using an electric current. An electrolyte like sulfuric acid (H\u2082SO\u2084) or sodium hydroxide (NaOH) is added to increase the conductivity of water.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">Setup<\/span><\/b><span data-contrast=\"auto\">:<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<ul>\n<li><b><span data-contrast=\"auto\">Anode<\/span><\/b><span data-contrast=\"auto\">: Made of an inert material like platinum or graphite, connected to the positive terminal of the power source.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<li><b><span data-contrast=\"auto\">Cathode<\/span><\/b><span data-contrast=\"auto\">: Made of an inert material like platinum or graphite, connected to the negative terminal of the power source.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<li><b><span data-contrast=\"auto\">Electrolyte<\/span><\/b><span data-contrast=\"auto\">: Dilute sulfuric acid or sodium hydroxide solution.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><b><span data-contrast=\"auto\">Reactions<\/span><\/b><span data-contrast=\"auto\">:<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<p>1. <b><span data-contrast=\"auto\">At the Anode (Oxidation)<\/span><\/b><span data-contrast=\"auto\">:<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">\\( 2 H_{2}O(I) \\longrightarrow\u00a0 O_{2}(g)+4 H^{+} (aq)+4 e^{-}\\)<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559685&quot;:0,&quot;335559731&quot;:720,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Water molecules lose electrons (oxidation) to form oxygen gas and hydrogen ions.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559685&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<p>2.<b><span data-contrast=\"auto\"> At the Cathode (Reduction):<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">\\(4 H^{+}(aq)+4 e^{-}\u00a0 \\longrightarrow\u00a0 2 H_{2}(g) \\)<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559685&quot;:0,&quot;335559731&quot;:720,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Hydrogen ions gain electrons (reduction) to form hydrogen gas.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">Overall Reaction:<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">\\( 2 H_{2}O(I) \\longrightarrow 2 H_{2}(g)+ O_{2}(g) \\)<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559685&quot;:0,&quot;335559731&quot;:720,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">This reaction shows that water decomposes into hydrogen gas at the cathode and oxygen gas at the anode.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<h2 aria-level=\"4\"><b>Industrial Applications of Electrolysis<\/b><\/h2>\n<ul>\n<li><b><span data-contrast=\"auto\">Metal Extraction<\/span><\/b><span data-contrast=\"auto\">: Electrolysis is used to extract metals from their ores. For example, aluminum is extracted from bauxite ore using electrolysis in the Hall-H\u00e9roult process.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<li><b><span data-contrast=\"auto\">Electroplating<\/span><\/b><span data-contrast=\"auto\">: Electrolysis is employed to coat objects with a thin layer of metal. This is used in jewelry making, manufacturing of electronic components, and corrosion protection.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<li><b><span data-contrast=\"auto\">Production of Chemicals<\/span><\/b><span data-contrast=\"auto\">: Electrolysis is used to produce chemicals like chlorine, hydrogen, and sodium hydroxide. For example, the chlor-alkali process produces chlorine gas and caustic soda by electrolyzing brine (sodium chloride solution).<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/li>\n<\/ul>\n<h2 aria-level=\"3\"><b><span data-contrast=\"none\">Difference Between Anode and Cathode\u00a0<\/span><\/b><\/h2>\n<p><span data-contrast=\"auto\">The key difference between anode and cathode are tabulated below,<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<table data-tablestyle=\"MsoNormalTable\" data-tablelook=\"1696\" aria-rowcount=\"11\">\n<tbody>\n<tr aria-rowindex=\"1\">\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">Parameter<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:2,&quot;335551620&quot;:2,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">Anode<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:2,&quot;335551620&quot;:2,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">Cathode<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:2,&quot;335551620&quot;:2,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"2\">\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">Type of Reaction<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Oxidation (loss of electrons)<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Reduction (gain of electrons)<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"3\">\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">Charge in Electrolytic Cell<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Positive<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Negative<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"4\">\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">Charge in Galvanic Cell<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Negative<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Positive<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"5\">\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">Attraction<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Attracts anions (negative ions)<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Attracts cations (positive ions)<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"6\">\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">Electron Flow<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Electrons flow away from the anode<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Electrons flow towards the cathode<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"7\">\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">Reaction Example<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Zn \u2192 Zn\u00b2\u207a + 2e\u207b (oxidation)<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Cu\u00b2\u207a + 2e\u207b \u2192 Cu (reduction)<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"8\">\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">Common Use<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Source of electrons in batteries<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Receiving electrons in batteries<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"9\">\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">Electroplating Role<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Metal dissolves into the solution<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Metal deposits onto the object<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"10\">\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">Gas Production (Electrolysis)<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Oxygen gas is produced<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Hydrogen gas is produced<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"11\">\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">Industrial Application<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Extraction of metals from ores<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Coating objects with metal layers<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 aria-level=\"3\"><b><span data-contrast=\"none\">Final Notes\u00a0<\/span><\/b><\/h2>\n<p><span data-contrast=\"auto\">Understanding the roles of anode and cathode is crucial in the study of electrochemistry and various industrial processes. The anode is where oxidation occurs, releasing electrons, while the cathode is where reduction occurs, gaining electrons. These concepts are integral to the functioning of batteries, electrolysis, and electroplating, making them fundamental knowledge for students and professionals in chemistry and related fields.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">For a seamless understanding of various concepts, just like those explained above, explore the Tutoroot Blog section for simplified learning experiences. Elevate your comprehension of subjects and have your queries addressed through Tutoroot\u2019s <a href=\"https:\/\/www.tutoroot.com\/web\/chemistry-online-tuition\"><strong>Chemistry Online Tuition<\/strong><\/a>. Start your learning journey with Tutoroot\u2019s online home tuitions by scheduling a <a href=\"https:\/\/www.tutoroot.com\/\"><strong>FREE DEMO<\/strong><\/a> session today.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<h2 aria-level=\"3\"><b><span data-contrast=\"none\">FAQs\u00a0<\/span><\/b><\/h2>\n<p><b><span data-contrast=\"auto\">What is Cathode and Anode Charge?<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">In an electrolytic cell, the anode has a positive charge, and the cathode has a negative charge. Conversely, in a galvanic cell, the anode carries a negative charge, and the cathode carries a positive charge.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">Give Cathode and Anode Symbol.<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">The symbol for the anode is often represented as <\/span><b><span data-contrast=\"auto\">A or + <\/span><\/b><span data-contrast=\"auto\">in an electrolytic cell and <\/span><b><span data-contrast=\"auto\">&#8211;<\/span><\/b><span data-contrast=\"auto\"> in a galvanic cell. The symbol for the cathode is <\/span><b><span data-contrast=\"auto\">C or &#8211;<\/span><\/b><span data-contrast=\"auto\"> in an electrolytic cell and <\/span><b><span data-contrast=\"auto\">+<\/span><\/b><span data-contrast=\"auto\"> in a galvanic cell.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">What is Cathode and Anode Difference?<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">The key difference lies in their functions: the anode is the site of oxidation, where electrons are lost, whereas the cathode is the site of reduction, where electrons are gained.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:279}\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introduction\u00a0 In the world of chemistry, understanding the concepts of anode and cathode is fundamental, especially when studying electrochemical reactions and electrolysis. These terms are pivotal in the functioning of &hellip; <a href=\"https:\/\/www.tutoroot.com\/blog\/what-are-anode-and-cathode-anode-and-cathode-difference\/\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[14],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What are Anode and Cathode? - Anode and Cathode Difference<\/title>\n<meta name=\"description\" content=\"Anode and cathode are terms used to describe the electrodes in an electrochemical cell. 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