Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 21 - Electrochemistry - 21 Assessment: 68

Answer

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Work Step by Step

A) Different reactions are possible in the electrolysis of an aqueous solutions. Based on the information above the possible reactions at the anode are: 1. 2C1-(aq) —)C12(g)+ 2e- 2. 2H20(/)—>02(g)+4H•(aq)+4e- B) Based on the information above the possible reactions at the cathode are: 1. Na+ (aq) + e- Na(s) 2. 2H20(/)+ 2e" --> H2(g)+ 201-1- (aq) C) Chlorine gas is more readily oxidized and will occur at the anode.
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