Which from following formulae is used to obtain value of E^0_ cell for a reaction taking place in Dry cell?

MHT CET 2025 Chemistry question

Which from following formulae is used to obtain value of for a reaction taking place in Dry cell?

(A)
(B)Correct
(C)
(D)

Answer: (B)

Solution

The relation between standard Gibbs energy change and cell potential is , so . In a dry (Leclanche) cell the anode reaction is and the cathode reaction is MnO_2$ +

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Question ID VK-101341