Chemistry-Standard Electrode Potential
NEET Chemistry Standard Electrode Potential MCQ Question
Type: MCQ-numerical-Medium-Class 11
For the galvanic cell based on the reaction Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s), calculate the standard cell potential (E°cell) using the given standard electrode potentials: E°(Zn2+/Zn) = -0.76 V and E°(Cu2+/Cu) = 0.34 V.
A
10 V
B
0.42 V
C
-0.42 V
D
-1.10 V
Correct Answer
Option A
Detailed Explanation
The standard cell potential (E°cell) is calculated as E°cell = E°(cathode) - E°(anode). Here, E°cell = 0.34 V - (-0.76 V) = 1.10 V.
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