At 25°C the standard emf of cell having reactions involving two electrons change is found to be 0.295 V. The equilibrium constant of the reaction is :
At 25°C the standard emf of cell having reactions involving two electrons change is found to be 0.295 V. The equilibrium constant of the reaction is :
Option 1 -
29.5 * 10–2
Option 2 -
10
Option 3 -
1010
Option 4 -
29.5 * 1010
Asked by Shiksha User
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1 Answer
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Correct Option - 3
Detailed Solution:ΔG° = –RT * 2.303 log K
–nFE° = +RT * 2.303 log K
2 * 96500 * 0.295 = 8.314 * 298 * 2.303 log10 K
10 = log10 K = 1010
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