MHT CET Chemistry question

Chemistry Electrochemistry MHT CET

The SOP values of A, B, C and D are -0.03 V, +0.1.08 V, -0.07 V and +0.1 V respectively. The spontaneous cell reaction takes place between

(A)A and B
(B)B and C
(C)D and A
(D)B and DCorrect

Answer: (D)

Solution

A cell reaction is spontaneous when E = SOP(anode) + SRP(cathode) is positive, which needs one electrode with a clearly higher

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Question ID VK-066456