QBManager

AMINES

24844 Product $(C)$ of this reaction is

1

2

3

4

AMINES

24255 Nitrosobenzene can be prepared by oxidizing aniline from

1

H_{2} S O_{4}

2

H_{2} S O_{5}

3

H_{2} S O_{3}

4

K_{2} C r_{2} O_{7}

Explanation:

Nitrosobenzene can be prepared by the oxidation of aniline with $H_{2} S O_{5}$ which is prepared by the reduction of nitrobenzene. Purification by sublimation has been recommended.

AMINES

24256 The Hinsberg's method is used for

1 Preparation of primary amines

2 Preparation of secondary amines

3 Preparation of tertiary amines

4 Separation of amine mixtures

AMINES

24668 $P h - C \equiv N \to_{(P a r t i a l h y d r o l y s i s)}^{H_{3} \overset{\oplus}{O}} (A) \overset{B r_{2} + K O H}{\to} (B)$ Product $(B)$ is

1

P h - C H_{2} - N H_{2}

2

P h - O H

3

P h - N H_{2}

4

P h - C H_{3}

AMINES

24257 Which one of the following compound gives a secondary amine on reduction

1 Nitromethane

2 Nitrobenzene

3 Methyl isocyanide

4 Methyl cyanide

Explanation:

(c) $C H_{3} - N \vec{=} C + 4 [H] \overset{Reduction}{\to} \underset{2^{o} amine}{C H_{3} - N H - C H_{3}}$

AMINES

24844 Product $(C)$ of this reaction is

1

2

3

4

AMINES

24255 Nitrosobenzene can be prepared by oxidizing aniline from

1

H_{2} S O_{4}

2

H_{2} S O_{5}

3

H_{2} S O_{3}

4

K_{2} C r_{2} O_{7}

Explanation:

Nitrosobenzene can be prepared by the oxidation of aniline with $H_{2} S O_{5}$ which is prepared by the reduction of nitrobenzene. Purification by sublimation has been recommended.

AMINES

24256 The Hinsberg's method is used for

1 Preparation of primary amines

2 Preparation of secondary amines

3 Preparation of tertiary amines

4 Separation of amine mixtures

AMINES

24668 $P h - C \equiv N \to_{(P a r t i a l h y d r o l y s i s)}^{H_{3} \overset{\oplus}{O}} (A) \overset{B r_{2} + K O H}{\to} (B)$ Product $(B)$ is

1

P h - C H_{2} - N H_{2}

2

P h - O H

3

P h - N H_{2}

4

P h - C H_{3}

AMINES

24257 Which one of the following compound gives a secondary amine on reduction

1 Nitromethane

2 Nitrobenzene

3 Methyl isocyanide

4 Methyl cyanide

Explanation:

(c) $C H_{3} - N \vec{=} C + 4 [H] \overset{Reduction}{\to} \underset{2^{o} amine}{C H_{3} - N H - C H_{3}}$

AMINES

24844 Product $(C)$ of this reaction is

1

2

3

4

AMINES

24255 Nitrosobenzene can be prepared by oxidizing aniline from

1

H_{2} S O_{4}

2

H_{2} S O_{5}

3

H_{2} S O_{3}

4

K_{2} C r_{2} O_{7}

Explanation:

Nitrosobenzene can be prepared by the oxidation of aniline with $H_{2} S O_{5}$ which is prepared by the reduction of nitrobenzene. Purification by sublimation has been recommended.

AMINES

24256 The Hinsberg's method is used for

1 Preparation of primary amines

2 Preparation of secondary amines

3 Preparation of tertiary amines

4 Separation of amine mixtures

AMINES

24668 $P h - C \equiv N \to_{(P a r t i a l h y d r o l y s i s)}^{H_{3} \overset{\oplus}{O}} (A) \overset{B r_{2} + K O H}{\to} (B)$ Product $(B)$ is

1

P h - C H_{2} - N H_{2}

2

P h - O H

3

P h - N H_{2}

4

P h - C H_{3}

AMINES

24257 Which one of the following compound gives a secondary amine on reduction

1 Nitromethane

2 Nitrobenzene

3 Methyl isocyanide

4 Methyl cyanide

Explanation:

(c) $C H_{3} - N \vec{=} C + 4 [H] \overset{Reduction}{\to} \underset{2^{o} amine}{C H_{3} - N H - C H_{3}}$

AMINES

24844 Product $(C)$ of this reaction is

1

2

3

4

AMINES

24255 Nitrosobenzene can be prepared by oxidizing aniline from

1

H_{2} S O_{4}

2

H_{2} S O_{5}

3

H_{2} S O_{3}

4

K_{2} C r_{2} O_{7}

Explanation:

Nitrosobenzene can be prepared by the oxidation of aniline with $H_{2} S O_{5}$ which is prepared by the reduction of nitrobenzene. Purification by sublimation has been recommended.

AMINES

24256 The Hinsberg's method is used for

1 Preparation of primary amines

2 Preparation of secondary amines

3 Preparation of tertiary amines

4 Separation of amine mixtures

AMINES

24668 $P h - C \equiv N \to_{(P a r t i a l h y d r o l y s i s)}^{H_{3} \overset{\oplus}{O}} (A) \overset{B r_{2} + K O H}{\to} (B)$ Product $(B)$ is

1

P h - C H_{2} - N H_{2}

2

P h - O H

3

P h - N H_{2}

4

P h - C H_{3}

AMINES

24257 Which one of the following compound gives a secondary amine on reduction

1 Nitromethane

2 Nitrobenzene

3 Methyl isocyanide

4 Methyl cyanide

Explanation:

(c) $C H_{3} - N \vec{=} C + 4 [H] \overset{Reduction}{\to} \underset{2^{o} amine}{C H_{3} - N H - C H_{3}}$

AMINES

24844 Product $(C)$ of this reaction is

1

2

3

4

AMINES

24255 Nitrosobenzene can be prepared by oxidizing aniline from

1

H_{2} S O_{4}

2

H_{2} S O_{5}

3

H_{2} S O_{3}

4

K_{2} C r_{2} O_{7}

Explanation:

Nitrosobenzene can be prepared by the oxidation of aniline with $H_{2} S O_{5}$ which is prepared by the reduction of nitrobenzene. Purification by sublimation has been recommended.

AMINES

24256 The Hinsberg's method is used for

1 Preparation of primary amines

2 Preparation of secondary amines

3 Preparation of tertiary amines

4 Separation of amine mixtures

AMINES

24668 $P h - C \equiv N \to_{(P a r t i a l h y d r o l y s i s)}^{H_{3} \overset{\oplus}{O}} (A) \overset{B r_{2} + K O H}{\to} (B)$ Product $(B)$ is

1

P h - C H_{2} - N H_{2}

2

P h - O H

3

P h - N H_{2}

4

P h - C H_{3}

AMINES

24257 Which one of the following compound gives a secondary amine on reduction

1 Nitromethane

2 Nitrobenzene

3 Methyl isocyanide

4 Methyl cyanide

Explanation:

(c) $C H_{3} - N \vec{=} C + 4 [H] \overset{Reduction}{\to} \underset{2^{o} amine}{C H_{3} - N H - C H_{3}}$

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