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Alcohol Phenols and Ethers question

2017 · Q119
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Alcohol Phenols and Ethers question

2017 · Q119

NEETChemistryAlcohol Phenols and EthersMCQ+4 / −1
The heating of phenyl methyl ether with HI produces
  1. A
    iodobenzene
  2. B
    phenol
  3. C
    benzene
  4. D
    ethyl chloride.
View written solutionFree

Correct answer: B

In case of phenyl methyl ether, methyl phenyl oxonium ion

NEET 2017 Chemistry - Alcohol, Phenols and Ethers Question 49 English Explanation 1


is formed by protonation of ether. The O—CH3 bond is weaker than O—C6H5 bond as O—C6H5 has partial double bond character. Therefore, the attack by I– ion breaks O—CH3 bond to form CH3I.
NEET 2017 Chemistry - Alcohol, Phenols and Ethers Question 49 English Explanation 2

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