Assertion :Iodination of alkanes is carried out in the presence of oxidising agents like $H I O_{3}$ or $H N O_{3}$ . Reason: Iodination of alkanes is an irreversible reaction.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is correct but Reason is incorrect
Iodination of alkanes is a reversible reaction and therefore it is carried out with oxidising agents like $H I O_{3} a n d H N O_{3}$ which combine with HI so that the reaction goes in forward direction.
$H I O_{3} + 5 H I ⟶ 3 I_{2} + 3 H_{2} O$
$C H_{4} + I_{2} ⇌ C H_{3} I + H I$

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Assertion :Iodination of alkanes is carried out in the presence of oxidising agents like HIO3 or HNO3. Reason: Iodination of alkanes is an irreversible reaction.

The correct option is C Assertion is correct but Reason is incorrectIodination of alkanes is a reversible reaction and therefore it is carried out with oxidising agents like HIO3andHNO3 which combine with HI so that the reaction goes in forward direction.HIO3+5HI⟶3I2+3H2OCH4+I2⇌CH3I+HI

Assertion :Iodination of alkanes is carried out in the presence of oxidising agents like $H I O_{3}$ or $H N O_{3}$ . Reason: Iodination of alkanes is an irreversible reaction.