Question

A reaction A + B + C +D + q has
positive entropy change. The
reaction is feasible at:
1 High temp only
2 Low temp only
3 Any temp
4 Not feasible
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Answer 1

For a reaction to be spontaneous, ΔG should be negative.

ΔG = ΔH- TΔS

According to the question, for the given reaction,

ΔS = positive

ΔH= negative (since heat is evolved)

⇒ ΔG= negative

Therefore, the reaction is spontaneous at any temperature. Hence, answer is (iv).

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Answer 2

Answer:

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