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Standard XII

Chemistry

Artificial Sweetening Agents

Amongst the c...

Question

Amongst the compounds given, the one that would form a brilliant coloured dye on treatment with $N a N O_{2}$ in dil. HCl followed by addition to an alkaline solution of β-naphthol is :

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Solution

The correct option is C
Since it’s a primary aromatic amines.

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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. Diazonium salt of which of the following will give coloured dye on reaction with

β - Naphthol

in acidic medium & NaOH:

Q. Which one of the following compounds forms a red coloured solution on treatment with neutral

F e C l_{3}

solution?

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Amongst the compounds 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 :

The correct option is C Since it’s a primary aromatic amines.

Amongst the compounds given, the one that would form a brilliant coloured dye on treatment with $N a N O_{2}$ in dil. HCl followed by addition to an alkaline solution of β-naphthol is :

The correct option is C
Since it’s a primary aromatic amines.