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Question

A reaction occurs spontaneously if:


A
T∆S = ∆H and both ∆H and ∆S are positive
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B
T∆S>∆H and both ∆H and ∆S are positive
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C
T∆S <∆H and both ∆H and ∆S are positive
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D
T∆S > ∆H and ∆H is positive and ∆S is negative
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Solution

The correct option is B T∆S>∆H and both ∆H and ∆S are positive

For spontaneous reaction ∆G = - ve

∆G = ∆H - T∆S

∆H = +ve, ∆S = +ve and T∆S >∆H


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