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Standard XII

Chemistry

SN1 Reaction Mechanism

Amongst the c...

Question

Amongst the compounds given, the one that would form a brilliant colored dye on treatment with $N a N O_{2}$ in $d i l . H C l$ followed by addition to an alkaline solution of $β$ -naphthol is

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Solution

The correct option is D

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Similar questions

Amongst the compound given, the one that would form a brilliant coloured dye on treatment with NaNO₂ in dil.HCL followed by addition to an alkaline solution Of β-naphthol is:

Q.
Statement I: Aniline on reaction with

N a N O_{2} / H C l

0^{o} C

followed by coupling with

β

-naphthol gives a dark blue coloured precipitate.
Statement II: The colour of the compound formed in the reaction of aniline with

N a N O_{2} / H C l

0^{o} C

followed by coupling with

β

-naphthol.

Q. Assertion :Aniline on reaction with

{N a N O}_{2} / H C l

0^{o} C

followed by coupling with

β

naphthol gives a dark blue coloured precipitate. Reason: The colour of the compound formed in the reaction of aniline with

{N a N O}_{2} / H C l

0^{o} C

followed by coupling with

β

naphthol is due to extended conjugation.

Q. Ethanoic acid on heating with ammonia forms compound

A

which on treatment with bromine and sodium hydroxide gives compound

B

. Compound

B

on treatment with

N a N O_{2} / d i l . H C l

gives compound

C

. The compounds

A, B

and

C

respectively are:

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Amongst the compounds given, the one that would form a brilliant colored dye on treatment with NaNO2 in dil.HCl followed by addition to an alkaline solution of β-naphthol is

The correct option is D

Amongst the compounds given, the one that would form a brilliant colored dye on treatment with $N a N O_{2}$ in $d i l . H C l$ followed by addition to an alkaline solution of $β$ -naphthol is