Which chemical reaction leads to the formation of isocyanide?

1. Reimer Tiemann reaction.
2. Carbylamine reaction.
3. Hoffmann bromamide reaction.
4. None of the above.

Subtopic:  Amines - Preparation & Properties |
 90%
From NCERT
AIPMT - 1999
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The final product C, obtained in this reaction, would be:

1. 2.
3. 4.
Subtopic:  Amines - Preparation & Properties |
 75%
From NCERT
AIPMT - 2003
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

A method for the identification of primary, secondary and tertiary amines is:

1. Azo-dye test

2. Carbylamine test

3. Hinsberg’s test

4. None of these

Subtopic:  Identification of Primary, Secondary & Tertiary Amines |
 82%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Aromatic primary amines cannot be prepared by Gabriel phthalimide synthesis because :

1. Alkyl halides do not undergo electrophilic substitution with the anion formed by the phthalimide
2. Alkyl halides do not undergo nucleophilic substitution with the anion formed by the phthalimide
3. Aryl halides do not undergo nucleophilic substitution with the anion formed by the phthalimide
4. Aryl halides do not undergo electrophilic substitution with the anion formed by the phthalimide

Subtopic:  Amines - Preparation & Properties |
 73%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

C6H5N2Cl+H3PO2+H2O:

The product from the above reaction would be -

1.C6H5NC

2. C6H6CH3

3.C6H5CN

4. C6H6

 

Subtopic:  Amines - Preparation & Properties |
 84%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The primary amine is -

1. (CH3)2CHNH2

2. CH3(CH2)2NH-CH3

3. CH3(CH2)2N(CH3)2

4. None of the above

Subtopic:  Identification of Primary, Secondary & Tertiary Amines |
 90%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Which of the following is a secondary amine is -

1. CH3(CH2)2NH2 
2. (CH3CH2)2NCH3 
3. C6H5NHCH3
4. (CH3)3NH2

Subtopic:  Identification of Primary, Secondary & Tertiary Amines |
 87%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The tertiary amine is-

1. (CH3CH2)2NCH3 
2. (CH3)3NH2 
3. m-BrC6H4NH2
4. None of the above

Subtopic:  Identification of Primary, Secondary & Tertiary Amines |
 80%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which of the following tests is used to distinguish aniline from benzylamine?

1. Nitrous acid.

2. Reduction Reaction

3. Hinsberg reagent

4. Lucas test

Subtopic:  Identification of Primary, Secondary & Tertiary Amines |
 62%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

The chemical test used to distinguish between aniline and N-methyl aniline is:

1. Carbylamine test 

2. Hoffmann bromamide reaction

3. Acetylation

4. None of above

Subtopic:  Identification of Primary, Secondary & Tertiary Amines |
 79%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch