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(A) All exothermic reactions are spontan...

(A) All exothermic reactions are spontaneous at room temperature. ltBrgt (R) `DeltaG=-ve` for above reactions and for spontaneous reactions `DeltaG=-ve`.

A

If both (A) and (R) are correct and (R) is the correct explanation for (A).

B

If both (A) and (R) are correct but (R) is not the correct explanation for (A).

C

If (A) is correct but (R) is incorrect

D

If (A) is incorrect but (R) is correct.

Text Solution

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Assertion: All endothermic reactions which are non-spontaneous at room temperature become spontaneous at high temperatures. Reason : Endothermic reactions become spontaneous if DeltaS is positive and TDeltaS gt DeltaH .

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