Chemistry-Standard Electrode Potential

NEET Chemistry Standard Electrode Potential MCQ Question

Type: MCQ-diagram based-Hard-Class 11

Consider a galvanic cell set up with a zinc electrode in a ZnSO4 solution and a copper electrode in a CuSO4 solution, connected by a salt bridge. If the standard electrode potential of the copper electrode is given as +0.34 V, which of the following correctly describes the standard electrode potential of the zinc electrode in this cell?

Question diagram
A

-0.76 V

B

+0.76 V

C

-0.34 V

D

+0.34 V

Correct Answer

Option A

Detailed Explanation

In the Daniell cell, electrons flow from the zinc electrode (anode) to the copper electrode (cathode). The standard electrode potential for zinc is negative, indicating it is less noble than copper. Thus, the standard electrode potential of the zinc electrode is -0.76 V.

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