NEET UG CHEMISTRY MCQ: ELECTRO CHEMISTRY

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The oxidation potential values of A, B, C and D are -0.03, +0.108 V,-0.07 V and +0.1 V respectively. The non-spontaneous cell reaction takes place between

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Correct option: A

A and B

Option A (A and B) is correct because a non-spontaneous cell reaction occurs when the cell potential is negative, which happens when a lower oxidation potential is paired with a higher oxidation potential as the anode and cathode, respectively. In this case, A (-0.03V) and B (+0.108V) result in a negative cell potential if A is oxidized and B is reduced.

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