Chemistry-(general)
NEET Chemistry (general) MCQ Question
Type: MCQ-numerical-Easy-Class 12
Given the standard electrode potential values: E°(M²⁺/M) for V, Cr, Mn, Fe, Co, Ni, and Cu, what is the electrode potential for the Co²⁺/Co couple?
A
-0.28 V
B
-0.44 V
C
0.34 V
D
-0.25 V
Correct Answer
Option A
Detailed Explanation
From the NCERT context provided, the E° value for the Co²⁺/Co couple is -0.28 V. This is indicated in the list of standard electrode potentials for V, Cr, Mn, Fe, Co, Ni, and Cu.
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