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Wittig Ylid

anisole react...

Question

anisole react with HI to give phenol & methyl iodide& not idobenzene & methylalcohol.give reason.

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Solution

Due to partial double bond character between oxygen and carbon of benzene ring Nucleophilic substitution on aromatic ring is difficult .

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Similar questions

Q. Phenyl methyl ether (anisole) reacts with HI to give phenol and methyl iodide and not iodobenzene and methyl alcohol because___________________.

Q. Give reasons for the following:
(a) Protanation of Phenols is difficult whereas ethanol easily undergoes protonation.
(b) Boiling point of ethanol is higher than that of dimethyl ether.
(c) Anisole on reaction with HI gives phenol and

C H_{3} - I

as main products and not iodobenzene and

C H_{3} O H

.

Q. Given below are two statements labelled as Assertion (A) and Reason (R).
Assertion (A): Anisole on reaction with 1 eq.

H I

gives iodobenzene and methanol.
Reason (R): Reaction follows

S_{N} 2

mechanism.
[0.77 Mark]

Methyl alcohol when react with

H I

forms methyl iodide as a product.

Q. Which one of the following react with phenol to form anisole?

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