Which of the following reagents will convert nitromethane into methylamine ?

1. Zn/HCl

2. Zn/NaOH

3. Zn/C2H5OH

4. Ni/H2

Subtopic:  Amines - Preparation & Properties | Mechanism |
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NEET 2023 - Target Batch - Aryan Raj Singh
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Nitrobenze on reduction with Al-Hg and water gives:

(1) azobenze

(2) aniline

(3) azoxy benzene

(4) phenylhydroxylamine

Subtopic:  Amines - Preparation & Properties |
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NEET 2023 - Target Batch - Aryan Raj Singh
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The reduction of CH3CN to CH3CH2NH2 is called:

1. Rosenmund's reduction

2. Clemmensen's reduction

3. Mendius reduction

4. Hofmann's reduction

Subtopic:  Amines - Preparation & Properties |
 71%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Aniline and ethylamine resembles in:

(1) solubility

(2) action with HNO2

(3) action of Grignard reagent

(4) coupling reaction

Subtopic:  Amines - Preparation & Properties |
 53%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Mendius method of preparation of amines consists of: 

(1) catalytic reduction of alkyl cyanides

(2) reduction of amide with LiAlH4 

(3) reduction of nitroparaffin with Sn + HCl

(4) reduction of oximes with Na + C2H5OH

Subtopic:  Amines - Preparation & Properties |
 60%
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NEET 2023 - Target Batch - Aryan Raj Singh
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ln the reaction, 

The product is: 

1. 

2. 

3. 

4. 

 

Subtopic:  Amines - Preparation & Properties |
 74%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The correct order of basicities of the following compounds is:

CH3-C|||NH2NH1,  CH3CH2NH22 , CH32NH3 ,  CH3-C||O-NH24

1. 2 > 1 > 3 > 4

2. 1> 3 > 2 > 4

3. 3 > 1 > 2 > 4

4. 1 > 2 > 3 > 4

Subtopic:  Amines - Preparation & Properties |
 54%
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NEET 2023 - Target Batch - Aryan Raj Singh
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A primary amine heated with CS2 in presence of excess of HgCl2 gives isothiocyanate. The reaction is called:

(1) Hofmann's bromamide reaction

(2) Hofmann's mustard oil reaction

(3) Perkin's condensation

(4) Hofmann's elimination

Subtopic:  Identification of Primary, Secondary & Tertiary Amines |
 72%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

In the compound given below,

the correct order of acidic nature of the positions (X), (Y) and (Z) is: 

(1) Z>X>Y

(2) X>Y>Z

(3) X>Z>Y

(4) Y>X>Z

Subtopic:  Amines - Preparation & Properties |
 75%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Reaction of cyclohexanone with dimethylamine in the presence of catalytic amount of an acid forms a compound if water during the reaction is continuously removed. The compound formed is generally known as:

(1) Schiff's base

(2) an enamine

(3) an imine

(4) an amine

Subtopic:  Amines - Preparation & Properties |
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NEET 2023 - Target Batch - Aryan Raj Singh
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