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For the following cell, Zn(s) |ZnSO 4 (aq) || CuSO 4 (aq) | Cu(s) When the concentration of Zn 2+ is 10 times the concentration of Cu 2+ , the expression for Δ G (in J mol –1 ) is [F is Faraday constant; R is gas constant; T is temperature; E° (cell) = 1.1 V]

1. 2.303 RT + 1.1 F
2. 2.303RT – 2.2F
3. 1.1 F
4. –2.2 F

Correct answer: 2.303RT – 2.2F

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