Assertion :Benzene reacts with iodine monochloride in presence of anhyd. $A l C l_{3}$ to form iodobenzene. Reason: Iodine monochloride reacts with anhyd. $A l C l_{3}$ to produce $I^{+}$ which attacks the benzene ring.

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 A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Benzene reacts with iodine monochloride in presence of anhyd. $A l C l_{3}$ to form iodobenzene.
Iodine monochloride reacts with anhyd $A l C l_{3}$ to produce $I^{+}$ which acts as electrophile and attacks the benzene ring.
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
Note: Anhyd. $A l C l_{3}$ acts as lewis acid catalyst.
$A l C l_{3} + I C l \to I^{+} + A l C l_{4}^{-}$
$C_{6} H_{6} + I^{+} \to C_{6} H_{5} - I + H^{+}$

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