Statement-I : Propene is more reactive than ethene with HCl.
Statement-II : Propene is more stable than ethene.

Statement-I is True, Statement-II is True; Statement-II is a correct explanation for Statement-I

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Statement-I is True, Statement-II is True ; Statement-II is NOT a correct explanation for Statement-I

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Statement-I is True, Statement-II is False

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Statement-I is False, Statement-II is True

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Solution

The correct option is B Statement-I is True, Statement-II is True ; Statement-II is NOT a correct explanation for Statement-I
Propene is more reactive than ethene with HCl.
The +I effect of methyl group increases the ease with which pi electrons can be donated to an electrophile.
Propene is more stable than ethene.
Thus, statement-I is True, Statement-II is True ; Statement-II is NOT a correct explanation for Statement-I.

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Statement-I : Propene is more reactive than ethene with HCl.Statement-II : Propene is more stable than ethene.

Statement-I : Propene is more reactive than ethene with HCl.
Statement-II : Propene is more stable than ethene.