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Amongst the compounds given, the one tha...

Amongst the compounds given, the one that would form a brilliant colored dye on treatment with `NaNO_2` in dil. `HCl` followed by addition to an alkaline solution of `beta-`naphthol is

A

B

C

D

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The correct Answer is:
C
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A colourless liquid A(b.p. 184^(@)C) is sparingly soluble in warm water to which it gives feebly alkaline. On treating with NaNO_(2) and dil HCl in the cold solution, it yields a solution which reacts with an alkaline solution of beta -naphthol to give an orange yellow precipitate. Compound A is -

The products formed in the reaction of cumene with O_(2) followed by treatment with dil. HCl are :

Statement I: Aniline on reaction with NaNO_2 HCl at 0^@C followed by coupling with beta -naphthol gives a dark blue coloured precipitate. Statement II: The colour of the compound formed in the reaction of aniline with NaNO_2//HCl at 0^@C followed by coupling with beta -naphthol is due to extended conjugation.

Which one of the following compounds on reaction with Na_(2)O_(3) in alkaline medium gives yellow colour solution?

RESONANCE ENGLISH-AROMATIC COMPOUNDS -Exercise -3 Part-I
  1. Match the reactions in Column I with appropriate options in Column II.

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  2. The major product of the following reaction is :

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  3. Amongst the compounds given, the one that would form a brilliant color...

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  4. In the following reaction, the products formed is(are)

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  5. The major product(s) of the following is (are):

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  6. P and Q are isomers of dicarboxylic acid C(4)H(4)O(4). Both decolorize...

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  7. In the following reaction, sequences V and W are respectively.

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  8. The reactivity of compound Z with different halogens under appropriat...

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  9. The the identification of beta-napthol using dye test, it is necessary...

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  10. Match the four starting materials (P,Q,R,S) gien in List-I with the co...

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  11. Among the following, the number of reaction(s) that produce(s) benzal...

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  12. The major product U in the following reactions is

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  13. In the following reactions, the major product W is:

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  14. The product(s) of the following reactions sequence is(are)

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  15. The correct statement(s) about of the following reaction sequence is(a...

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  16. The major product of the following reaction is

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  17. The reaction of compounf P with CH(3)MgBr (excess) in (C(2)H(5)(2)O fo...

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  18. The reaction of compounf P with CH(3)MgBr (excess) in (C(2)H(5)(2)O fo...

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  19. The reaction(s) leading to the formation of 1, 3, 5 -trimethylbenzene ...

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  20. Aniline reacts with mixed acid conc. HNO(3) and conc. H(2)SO(4) at 288...

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