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If for a certain reaction for which the same reaction will be spontaneous at the same temperature is
Question

If for a certain reaction for which the same reaction will be spontaneous at the same temperature is

A.

-70

B.

70

C.

-33

D.

33

Correct option is B

Ans.(b)

For spontaneous reaction,

must be less than zero

So,

or,

For reaction to be spontaneous the value of

must be greater than 66.67 J that is 70 JK–1 mol–1

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