JEE Advanced 2022 Chemistry question

The correct option(s) about entropy (S) is(are) [R = gas constant, F = Faraday constant, T = Temperature]

(A)For the reaction, , if , then the entropy change of the reaction is R (assume that entropy and internal energy changes are temperature independent).
(B)The cell reaction, , is an entropy driven process.Correct
(C)For racemization of an optically active compound, .Correct
(D), for (where en = ethylenediamine).Correct

Answer: (B),(C),(D)

Solution

(A) with : , not – wrong. (B) In this concentration cell the overall change is only the transfer of from 0.1 M to 0.01 M; and ,

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Question ID VK-034053