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

in acid base titration as an indicator

in protein estimation as an alternative to ninhydrin

EASY

Earn 100

Explain Balz-Schiemann reaction.

Important Questions on Amines

HARD

Chemistry>Organic Chemistry>Amines>Reactions of Diazonium Salts

Consider the following reaction:
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The product $' X^{'}$ is used:

HARD

Chemistry>Organic Chemistry>Amines>Reactions of Diazonium Salts

In the reaction,

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The product

E

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

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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

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

For the identification of

β

-naphthol using dye test, it is necessary to use

HARD

Chemistry>Organic Chemistry>Amines>Reactions of Diazonium Salts

The major product of the following reaction is

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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

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

Question Image

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

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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

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

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

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

Explain Balz-Schiemann reaction.

Important Questions on Amines

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