In the following sequences of reactions, the compound Q formed will be?

aniline

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phenol

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benzaldehyde

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benzene sulphonic acid

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Solution

The correct option is D phenol
Bnezene with oleum ( $H_{2} S O_{4} + S O_{3}$ ) forms benzenesulfonic acid. In the presence of strong base as NaOH it undergoes desulfonation and forms sodium phenoxide ( $C_{6} H_{5} O^{-} N a^{+}$ ) which on acid treatment yields phenol ( $C_{6} H_{5} O H$ ).

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Similar questions

C H_{3} - C H_{2} - C H_{2} - C l (a) p r o p y l c h l o r i d e) A l c . K O H - ----- \to C H_{3} - C H = C H_{2} (P r o p e n e b)

C

C H - C | H N H_{2} - C H_{3} H N O_{2} - --- \to A O x i d a t i o n - ----- \to B (i) C H_{3} M g l - ------ \to (i i) H^{+} / H_{2} O C

B

C H_{3} C H_{2} C H_{2} O H P C l_{3} \to A A l c . K O H \to B

C H_{3} - C H_{2} - C H_{2} - C l (a) p r o p y l c h l o r i d e) A l c . K O H - ----- \to C H_{3} - C H = C H_{2} (P r o p e n e b)

C H_{2} = C H_{2} H B r ⟶ X H y d r o l y s i s ⟶ Y N a_{2} C O_{3} ⟶ I_{2} e x c e s s Z :

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