Ionic compounds have high melting points. He was also a science blogger for Elements Behavioral Health's blog network for five years. But when an ionic compound melts, the charged ions are free to move. Other atoms, like chlorine, have outer shells that just need one more electron to have a full shell. Why do ionic compounds conduct electricity when they dissolve in water? You need to know the difference between ionic and covalent bonds to get a better understanding of the electrical conductivity of ionic compounds. 1 See answer iliveinapark3659 is waiting for your help. For dissociated salt, the positively charged sodium ions congregate at the cathode and pick up electrons from the electrode, leaving it as elemental sodium. At the same time, the chloride ions lose their “extra” electron at the anode, sending electrons into the electrode to complete the circuit. Ionic compounds in their solid state have particles that are held tightly together, restricting all movement and preventing electrical current from forming. Why Do Ionic Compounds Conduct Electricity. it has dissolved in water to form an aqueous solution Both these processes allow ions to move from place to place. The ions in the solution respond to this electric field according to their charge. To apply a current to a solution, two electrodes are inserted into the liquid, both attached to a battery or source of charge. - 3089132 jEugenlyn9Amm3er jEugenlyn9Amm3er 03/08/2017 Chemistry High School answered Why do ionic compounds conduct electricity when dissolved in water? Instead of the ions being right next to each other, they wander all over the water. Answers (1) Adolph March 26, 12:39 PM. Ionic compounds conduct electricity when molten to form a liquid or dissolved in water to form an aqueous solution. A positively-charged ion is a cation, while a negatively-charged ion is an anion. (As a comparison, the molecular compound water melts at 0 °C and boils at 100 °C. When placed in water, the ions are attracted to the water molecules, each of which carries a polar charge. One example is when they’re dissolved in water; the molecules “dissociate” into their constituent ions, which returns them to their charged state. View gr11-chemistry-unit-1.pdf from CHEMISTRY CH1031 at College of the North Atlantic. Your Guide to Renewable Energy Resource Types, Here’s How the COVID-19 Pandemic Changed In-Person Retail Shopping in Lasting Ways, A Brief History of Insults: How Different Cultures Use Spoken and Written Verse to Mock and Mediate, Monkeydactyl and the Little Foot Fossil: Major Evolutionary Breakthroughs of 2021 (So Far). - the answers to my-answerhelper.com Ionic compounds conduct an electric current when melted or dissolved in water. For the electrical current to form, both movement and conductivity must be present. Top Answer. As a result these compounds when dissolved in water will conduct electricitya as they will have free electrons for conduction. Ionic compounds conduct electricity when molten (liquid) or in aqueous solution (dissolved in water), because their ions are free to move from place to place. The positively charged electrode is called the anode, and the negatively charged electrode is called the cathode. They conduct electricity but only when they are dissolved in water. When ionic compounds dissolve in water, the ions in the solid separate and disperse uniformly throughout the solution because water molecules surround and solvate the ions, reducing the strong electrostatic forces between them. The ionic bonds that keep molecules like common salt (sodium chloride) together can be broken apart in some circumstances. Answer: 1 question Why do ionic compounds conduct electricity when dissolved in water? The battery sends charge to the electrodes (in the more traditional way involving electrons moving through a solid conductive material), and they become distinct sources of charge in the liquid, producing an electric field. Lee Johnson is a freelance writer and science enthusiast, with a passion for distilling complex concepts into simple, digestible language. Wiki User Answered 2012-03-12 18:43:34. Electrical conductivity measures the ability of a substance to produce an electrical current, whereas electricity is the movement of charged particles which form that electrical current. Do ionic compounds conduct electricity as (3 points) Solids No Liquids Yes Aqueous solutions (when the ionic compounds are dissolved in water) Yes Do covalent compounds conduct electricity as (3 points) Solids no Liquids No Aqueous solutions (when the covalent compounds are dissolved in water) No Part I Lab Insert completed data tables for each part of the lab. Ionic compounds in their solid state have particles that are held tightly together, restricting all movement and preventing electrical current from forming. Ionic compounds conduct electricity when they dissolve in water. Yes, this affirmation is correct. He studied physics at the Open University and graduated in 2018. Ionic compounds conduct electricity when molten (liquid) or in aqueous solution (dissolved in water), because their ions are free to move from place to place. When the ions reach their respective electrodes, they either gain or lose electrons to revert to their elemental state. 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