What are the products at the cathode and anode when an aqueous solution of KI is electrolyzed between platinum electrodes? e° of K| K* = -2.93 V e° of Pt| 12, I = 0.53 V e° of Pt| H2O, H2, OH¯ = -0.83 e° of Pt| O2, H20, H* = 1.23 V V A. K(s) at the cathode, I2(s) at the anode B. K(s) at the cathode, O2(g) at the anode C. H2(g) at the cathode, I2(s) at the anode D. H2(g) at the cathode, O2(g) at the anode

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter18: Introduction To Electrochemistry
Section: Chapter Questions
Problem 18.6QAP
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What are the products at the cathode and anode when an
aqueous solution of KI is electrolyzed between platinum
electrodes?
e° of K| K* = -2.93 V
e° of Pt| 12, I = 0.53 V
e° of Pt| H2O, H2, OH¯ = -0.83
%3D
e° of Pt| O2, H2O, H* = 1.23 V
V
A. K(s) at the cathode, I2(s) at the anode
B. K(s) at the cathode, O2(g) at the anode
C. H2(g) at the cathode, I2(s) at the anode
D. H2(g) at the cathode, O2(g) at the anode
Transcribed Image Text:What are the products at the cathode and anode when an aqueous solution of KI is electrolyzed between platinum electrodes? e° of K| K* = -2.93 V e° of Pt| 12, I = 0.53 V e° of Pt| H2O, H2, OH¯ = -0.83 %3D e° of Pt| O2, H2O, H* = 1.23 V V A. K(s) at the cathode, I2(s) at the anode B. K(s) at the cathode, O2(g) at the anode C. H2(g) at the cathode, I2(s) at the anode D. H2(g) at the cathode, O2(g) at the anode
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