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

in acid base titration as an indicator

in protein estimation as an alternative to ninhydrin

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An example of anthraquinone dye is

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Important Questions on Amines

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Chemistry>Organic Chemistry>Amines>Importance of Diazonium Salts in Synthetic Organic Chemistry

The major product of the following reaction is

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Chemistry>Organic Chemistry>Amines>Importance of Diazonium Salts in Synthetic Organic Chemistry

Fluorination of an aromatic ring is easily accomplished by treating a diazonium salt with

H B F_{4}

. Which of the following conditions is correct about this reaction?

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Chemistry>Organic Chemistry>Amines>Importance of Diazonium Salts in Synthetic Organic Chemistry

For the identification of

β

-naphthol using dye test, it is necessary to use

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Chemistry>Organic Chemistry>Amines>Importance of Diazonium Salts in Synthetic Organic Chemistry

In the following reaction, the product

(A)

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Chemistry>Organic Chemistry>Amines>Importance of Diazonium Salts in Synthetic Organic Chemistry

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

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Chemistry>Organic Chemistry>Amines>Importance of Diazonium Salts in Synthetic Organic Chemistry

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

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Chemistry>Organic Chemistry>Amines>Importance of Diazonium Salts in Synthetic Organic Chemistry

In the following reactions, the major product W is

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Chemistry>Organic Chemistry>Amines>Importance of Diazonium Salts in Synthetic Organic Chemistry

Which of the following is a Gattermann reaction?

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Chemistry>Organic Chemistry>Amines>Importance of Diazonium Salts in Synthetic Organic Chemistry

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

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Chemistry>Organic Chemistry>Amines>Importance of Diazonium Salts in Synthetic Organic Chemistry

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

HARD

Chemistry>Organic Chemistry>Amines>Importance of Diazonium Salts in Synthetic Organic Chemistry

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

HARD

Chemistry>Organic Chemistry>Amines>Importance of Diazonium Salts in Synthetic Organic Chemistry

In the reaction,

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The product

E

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Chemistry>Organic Chemistry>Amines>Importance of Diazonium Salts in Synthetic Organic Chemistry

Write short notes on Coupling reaction.

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Chemistry>Organic Chemistry>Amines>Importance of Diazonium Salts in Synthetic Organic Chemistry

Coupling of benzene diazonium chloride with

1 - n a p h t h o l

in alkaline medium will give:

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Chemistry>Organic Chemistry>Amines>Importance of Diazonium Salts in Synthetic Organic Chemistry

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The final product $R$ is

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Chemistry>Organic Chemistry>Amines>Importance of Diazonium Salts in Synthetic Organic Chemistry

The reaction,

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Chemistry>Organic Chemistry>Amines>Importance of Diazonium Salts in Synthetic Organic Chemistry

What is

Z

in the following sequence of reactions?

p - chloronitrobenzene \to_{(2) H_{3} O^{+}}^{(1) NaOH, 443 K} X \to_{0 - 5 ° C}^{\overset{(i) Sn + HCl}{(ii) {NaNO}_{2} / HCl}} Y \to_{10 ° C}^{H_{2} O} Z

HARD

Chemistry>Organic Chemistry>Amines>Importance of Diazonium Salts in Synthetic Organic Chemistry

In a set of reactions $p -$ nitrotoluene yielded a product $E$

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Product $E$ would be:

HARD

Chemistry>Organic Chemistry>Amines>Importance of Diazonium Salts in Synthetic Organic Chemistry

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

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Chemistry>Organic Chemistry>Amines>Importance of Diazonium Salts in Synthetic Organic Chemistry

How is phenol prepared from Aniline? Write the equation.

An example of anthraquinone dye is

Important Questions on Amines

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