AIPMT PRELIMS2000Chemistry-Electrochemistry
AIPMT PRELIMS 2000 Chemistry Electrode Potentials MCQ Question
Type: MCQ-numerical-Hard-Class 12
For the disproportionation of copper : 2 Cu⁺ → Cu²⁺ + Cu, E° is : - (Given E° for Cu²⁺/Cu is 0.34 V & E° for Cu²⁺/Cu⁺ is 0.15 V :
A
0.49 V
B
– 0.19 V
C
0.38 V
D
– 0.38 V
Correct Answer
Option C
Detailed Explanation
Using the Nernst equation and given potentials, the E° for the reaction is calculated as 0.38 V.
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