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The correct statement(s) about the following reaction sequence is (are)
$C u m e n e (C_{9} H_{12}) \to_{i i) H_{3} O^{+}}^{i) O_{2}} P \overset{C H C l_{3} / N a O H}{\to} Q (m a j o r) + R (minor)$
$Q \to_{P h C H_{2} B r}^{N a O H} S$

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R is steam volatile

Q gives dark violet coloration with 1% aqueous FeCl3 solution

S gives yellow precipitate wit 2, 4-dinitrophenylhydrazine

S gives dark violet coloration with 1% aqueous FeCl3 solution

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detailed solution

Correct option is B

BPα1Steam volalitityPhenols gives violet colour with neutral FeCl3 carbonyl compounds gives yellow to orange ppt with 2,4-DNP.

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The correct statement(s) about the following reaction sequence is (are)Cumene C9H12→ii)H3O+i) O2P→CHCl3/NaOHQmajor+RminorQ→PhCH2BrNaOHS

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The correct statement(s) about the following reaction sequence is (are)
$C u m e n e (C_{9} H_{12}) \to_{i i) H_{3} O^{+}}^{i) O_{2}} P \overset{C H C l_{3} / N a O H}{\to} Q (m a j o r) + R (minor)$
$Q \to_{P h C H_{2} B r}^{N a O H} S$