Conversion of phenol to salicylic acid and to salicyaldehyde are known as? (respectively)

Reimer - Tiemann reaction and Kolbe's reaction

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Williamson's synthesis and Hydroboration-oxidation

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Kolbe's reaction and Williamson's synthesis

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Kolbe's reaction and Reimer - Tiemann reaction

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Solution

The correct option is D Kolbe's reaction and Reimer - Tiemann reaction
Phenol on reaction with carbon dioxide in the presence of a base like $N a O H$ gives Salicylic acid. It is Kolbe's Reaction
Phenol on reaction with chloroform in the presence of a base like $N a O H$ gives Salicylaldehyde. It is Reimer-Tiemann reaction.
Both are shown in the figure.

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Similar questions


(A)	Methanol	(i)	Conversion of phenol to o-hydroxy salicylic acid
(B)	Kolbe's reaction	(ii)	Ethyl alcohol
(C)	Williamson's synthesis	(iii)	Conversion of phenol to salicylaldehyde
(D)	Conversion of $1^{0}$ alcohol to aldehyde	(iv)	Wood spirit
(E)	Reimer-Tiemann reaction	(v)	Heated copper at 573 K
(F)	Fermentation	(vi)	Reaction of an alkyl halide with sodium alkoxide

Explain the following with an example.
Kolbe's reaction

Reimer-Tiemann reaction

Williamson ether synthesis

Unsymmetrical ether

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