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Question

On treating phenol with chloroform in the presence of sodium hydroxide, a CHO group is introduced at ortho position of benzene ring. This reaction is known as:

A
Hydroboration-oxidation
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B
Friedel-Craft's acylation
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C
Kolbe's reaction
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D
Reimer-Tiemann reaction
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Solution

The correct option is D Reimer-Tiemann reaction
On treating phenol with chloroform in the presence of sodium hydroxide, a CHO group is introduced at ortho position of benzene ring. This reaction is known as Reimer-Tiemann reaction.

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