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(A) An electrochemical cell can be set-u...

(A) An electrochemical cell can be set-up only if the redox reaction is spontaneous.
(R) A reaction is spontaneous if free energy change is negative.

A

If both (A) and (R) are correct, and (R) is the correct explanation of (A).

B

If both (A) and (R) are correct, but (R) is not the correct explanation of (A).

C

If (A) is correct, but (R) is incorrect

D

If (A) is incorrect, but (R) is correct.

Text Solution

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The correct Answer is:
B
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