Consider the following reaction: The product ' X ' is used:

in acid base titration as an indicator

in protein estimation as an alternative to ninhydrin

MEDIUM

Earn 100

What happens when benzene diazonium chloride is heated with ethanol? Write the balanced chemical equation.

Important Questions on Amines

HARD

Chemistry>Organic Chemistry>Amines>Reactions of Diazonium Salts

Consider the following reaction:
Question Image

The product $' X^{'}$ is used:

MEDIUM

Chemistry>Organic Chemistry>Amines>Reactions of Diazonium Salts

Coupling of benzene diazonium chloride with

1 - n a p h t h o l

in alkaline medium will give:

MEDIUM

Chemistry>Organic Chemistry>Amines>Reactions of Diazonium Salts

In the following reaction, the product

(A)

MEDIUM

Chemistry>Organic Chemistry>Amines>Reactions of Diazonium Salts

The reaction,

Question Image is called

MEDIUM

Chemistry>Organic Chemistry>Amines>Reactions of Diazonium Salts

The reagent (s) used for the conversion of benzene diazonium hydrogensulfate to benzene is/are

EASY

Chemistry>Organic Chemistry>Amines>Reactions of Diazonium Salts

Which of the following is a Gattermann reaction?

EASY

Chemistry>Organic Chemistry>Amines>Reactions of Diazonium Salts

Benzene diazonium chloride on reaction with aniline in the presence of dilute hydrochloric acid gives:

EASY

Chemistry>Organic Chemistry>Amines>Reactions of Diazonium Salts

C_{6} H_{5} N_{2} Cl

in presence of

KCN

and

CuCN

gives an organic compound, which on acid hydrolysis gives

' X'

The compound

' X'

may be

MEDIUM

Chemistry>Organic Chemistry>Amines>Reactions of Diazonium Salts

Reaction of aniline with

N a N O_{2} +

dil.

H C l

0^{o} C

followed by reaction with

C u C N

yields

MEDIUM

Chemistry>Organic Chemistry>Amines>Reactions of Diazonium Salts

For the identification of

β

-naphthol using dye test, it is necessary to use

EASY

Chemistry>Organic Chemistry>Amines>Reactions of Diazonium Salts

The reaction of Benzene diazonium chloride with aniline yields a yellow dye. The name of the yellow dye is

HARD

Chemistry>Organic Chemistry>Amines>Reactions of Diazonium Salts

A given nitrogen-containing aromatic compound

A

reacts with

S n / H C l

, followed by

H N O_{2}

to give an unstable compound

B

B

on treatment with phenol, forms a beautiful coloured compound

C

with the molecular formula

C_{12} H_{10} N_{2} O

. The structure of compound

A

EASY

Chemistry>Organic Chemistry>Amines>Reactions of Diazonium Salts

Action of

{NaNO}_{2}

with dilute

HCl

{ArNH}_{2}

yields

{ArN}_{2}^{+} {Cl}^{-} .

A similar reaction with cyclohexylamine will yield

EASY

Chemistry>Organic Chemistry>Amines>Reactions of Diazonium Salts

Question Image

The final product $R$ is

EASY

Chemistry>Organic Chemistry>Amines>Reactions of Diazonium Salts

Which of the following is not a chromophore?

MEDIUM

Chemistry>Organic Chemistry>Amines>Reactions of Diazonium Salts

The diazonium salt of which of the following compounds will form a coloured dye on reaction with

β

-Naphthol in

NaOH ?

MEDIUM

Chemistry>Organic Chemistry>Amines>Reactions of Diazonium Salts

Organic compound containing double and triple bonds that has a characteristic absorption in the UV region is

HARD

Chemistry>Organic Chemistry>Amines>Reactions of Diazonium Salts

The major product of the following reaction is

Question Image

HARD

Chemistry>Organic Chemistry>Amines>Reactions of Diazonium Salts

Products A and B formed in the following reactions are respectively:

Question Image

HARD

Chemistry>Organic Chemistry>Amines>Reactions of Diazonium Salts

In the reaction,

Question Image

The product

E

What happens when benzene diazonium chloride is heated with ethanol? Write the balanced chemical equation.

Important Questions on Amines

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