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MHT CET Chemistry question

ChemistryThermodynamicsMHT CET

For the reduction of silver ions with copper metal, the standard cell potential was found to be +0.46 V at 25 ℃. The value of standard Gibbs energy, will be (F = 96500 C )

Answer: (B)

Solution

\mathrm{Cu + 2Ag^+ \to Cu^{2+} + 2Ag} has n = 2, so $Δ G° = -2 × 96500 × 0.46 = -88780\ J

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Question ID VK-066838