Statement- 1: Alkanes participate in substitution reactions.

Statement- 2: Alkanes are saturated hydrocarbons.

Both statement- 1 and statement-2 are correct statement-2 is a correct explanation of statement-1.

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Both statement-1 and statement-2 are correct statement-2 is not a correct explanation of statement-1.

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Statement-1 is correct , statement-2 is incorrect.

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Statement-1 is incorrect , statement-2 is correct.

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Solution

The correct option is B Both statement- 1 and statement-2 are correct statement-2 is a correct explanation of statement-1.
statement-1: Alkanes participate in substitution reactions.

The example includes free radical halogenation reaction in which H atom of an alkane is replaced with a halogen atom.

$C H_{3} C H_{3} C l_{2} - - \to l i g h t C H_{3} C H_{2} C l$

statement-2: Alkanes are saturated hydrocarbons.

Saturated hydrocarbons are hydrocarbons that contain only single bonds between carbon atoms. They are called saturated because each carbon atom is bonded to as many hydrogen atoms as possible.

In other words, the carbon atoms are saturated with hydrogen

Thus both statement-1 and statement-2 are correct statement-2 is a correct explanation of statement-1.

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Statement- 1: Alkanes participate in substitution reactions.Statement- 2: Alkanes are saturated hydrocarbons.

Statement- 1: Alkanes participate in substitution reactions.

Statement- 2: Alkanes are saturated hydrocarbons.