Statement-I : Spontaneous process is an irreversible process and may be reversed by some external agency.
Statement-II : Decrease in enthalpy is a contributory factor for spontancity.

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Both Statement-I and Statement-II are correct and Statement-II is correct explanation of Statement-I.

Statement-I is correct but Statement-II is incorrect.

Both Statement-I and Statement-II are correct but Statement-II is not correct explanation of Statement-I.

Statement I is incorrect but Statement-II is correct.

answer is B.

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Detailed Solution

Spontaneous process is an irreversible process and it can be reversed by applying some external energy

For a spontaneous process $∆ G = - ve$ is a compulsory condition

decrease in enthalpy and increase in entropy is one of the required condition but not a compulsary condition

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