If for the given reaction taking place at 25 ° C in a cell is, 1 2 Cu s + 1 2 Cl 2 g → 1 2 Cu 2 + + Cl − having standard e.m.f. of 1.02 v o l t s . Calculate standard free energy change.

Question

If for the given reaction taking place at 25 ° C in a cell is, 1 2 Cu s + 1 2 Cl 2 g → 1 2 Cu 2 + + Cl − having standard e.m.f. of 1.02 v o l t s . Calculate standard free energy change., - 98430 J, 98430 J, 96500 J, - 96500 J

MARKS App · Accepted Answer

The relation between free energy change and standard e.m.f. is given by Δ G = - n F E ° Δ G = - 1 × 96500 × 1.02 ; Δ G = - 98430 .

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