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Question

ΔGΔHΔS(I)+ve(i)ve(P)(II)(ii)0(Q)+ve(III)0(iii)(R)ve(iv)ve(iv)+ve(S)0
The correct set for melting of ice at 15C is:

A
(IV) (iii) (P)
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B
(I) (iv) (R)
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C
(I) (iv) (Q)
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D
(IV) (ii) (P)
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Solution

The correct option is C (I) (iv) (Q)
Normally ice melts above or at 0C.
So, if it's melting at 15 non spontaneous.
ΔG=+ve.
Due to melting, the entropy is increasing and melting is endothermic
ΔS=+ve.
ΔH=+ve.

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