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The correct statement(s) about the follo...

The correct statement(s) about the following reaction sequence is (are)
Cumene `(C_(9)H_(12))underset((ii)H_(3)O^(+))overset((i)O_(2))rarrPoverset(CHCl_(3)//NaOH)rarr`
Q(major)+R(minor), `Q underset(PhCH_(2)Br)overset(NaOH)rarrS`

A

R is steam volatile

B

Q gives dark violet colouration with 1 % aqueous `FeCl_(3)` solution.

C

S gives yellow precipitate with 2, 4-dinitrophenylhydrazine.

D

S gives dark violet colouration with 1 % aqueous `FeCl_(3)` solution.

Text Solution

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The correct Answer is:
B, C

(b) Q give a dark violet colouration with 1 % aqueous `FeCl_(3)` solution due to the presence of phenolic group.
(c) (S) gives yellow precipitate with 2, 4 D.N.P. For details, consult section 8.
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DINESH PUBLICATION-ALCOHOLS AND PHENOLS-Straight Objective Type
  1. The reaction of HBr with gives

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  2. The most unlikely representation of resonance structure of p-nitrophen...

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  3. Which of the following will be most readily dehydrated in acidic condi...

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  4. Propan-1-ol and propan-2-ol can be best distinguished by :

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  5. Complete the following reaction

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  6. 2-Phenylpropene on acidic hydration gives:

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  7. When phenyl magnesium bromide reacts with tert butanol, which of the f...

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  8. (I) 1,2-Dihydroxy benzene (II) 1,3-Dihydroxy benzene (III) 1,4-Dih...

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  9. The major product U in the following reaction is

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  10. Compounds which are used for the denaturation of alcohols are :

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  11. Primary secondary and tertiary alcohols are distinguised by

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  12. Alcohols can be prepared by which of the following methods ?

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  13. Grignard's reagents give alkanes by reaction with :

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  14. Isobutyl alcohol cannot be obtained by the reaction between

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  15. Phenol is less acidic than

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  16. When phenol reactes with CHCl(3) and NaOH followed by acidification, ...

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  17. In the reaction the intermediate(s) is/are:

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  18. Identify the binary mixture(s) that can be separated into individual c...

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  19. In the following reaction, the product(s) formed is (are) :

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  20. The correct statement(s) about the following reaction sequence is (are...

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