If standard emf of cell Zn_ (s) Cu^ 2+ _ (1M) Ag^ 1+ _ (1M) Ag_ (s) is 1.55 V. What is electrical work done under standard conditions?

MHT CET 2025 Chemistry question

If standard emf of cell Zn_{(s)} \mid Cu^{2+}_{(1M)} \parallel Ag^{1+}_{(1M)} \mid Ag_{(s)} is 1.55 V. What is electrical work done under standard conditions?

(A)-144.750 kJ
(B)-193.00 kJ
(C)-299.150 kJCorrect
(D)-386.00 kJ

Answer: (C)

Solution

Electrical work done by the cell under standard conditions . The cell reaction involves a divalent metal ion ( with ), so . $W = -2 ×

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Question ID VK-101945