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Chemistry · PYQ NEET UG 2023

हिन्दी

Consider the following reaction : \[ \text{C}_{6}\text{H}_{5}-\text{CH}_{2}-\text{O}-\text{C}_{6}\text{H}_{5} + \text{HI} \xrightarrow{\Delta} \text{A} + \text{B} \] Identify products A and B.

Question diagram
  1. A
    \( \mathrm{A = C_{6}H_{5}-CH_{2}I}} \) and \( \mathrm{B = C_{6}H_{5}OH} \)
  2. B
    \( \mathrm{A = C_{6}H_{5}-CH_{2}OH}} \) and \( \mathrm{B = C_{6}H_{5}I} \)
  3. C
    \( \mathrm{A = C_{6}H_{5}-CH_{3}} \) and \( \mathrm{B = C_{6}H_{5}OH} \)
  4. D
    \( \mathrm{A = C_{6}H_{5}-CH_{3}} \) and \( \mathrm{B = C_{6}H_{5}I} \)
View Answer & Solution

Correct answer · Option A

\( \mathrm{A = C_{6}H_{5}-CH_{2}I}} \) and \( \mathrm{B = C_{6}H_{5}OH} \)

Explanation

Cleavage of aryl alkyl ether with HI yields phenol and benzyl iodide due to the stability of the benzyl carbocation formed during the reaction.
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