Primary, secondary and tertiary nitroalkanes can be identifier by the action of:

1. HNO2 + NaOH(aq)

2. CHCl3 + NaOH (aq)

3. CHCl3 + KOH(alc.)

4. none of these

Subtopic:  Urea & Nitro Compound |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Consider the following sequence of reactions

Compound[A]Reduction[B] HNO3CH3CH2OH 

The compound [A] is

 

1. CH3CH2CN

2. CH3NO2

3. CH3NC

4. CH3CN

Subtopic:  Amines - Preparation & Properties |
 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

Which of the following statements about primary amines is false ?

[2010]

1. Alkyl amines are stronger bases than aryl amines

2. Alkyl amines react with nitrous acid to produce alcohols

3. Aryl amines react with nitrous acid to produce phenols

4. Alkyl amines are stronger bases than ammonia

Subtopic:  Amines - Preparation & Properties |
 73%
From NCERT
AIPMT - 2010
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

When NaNO2 and dilute HCl were added to an amine at 0°c, a colourless gas was evolved and an ionic compound is formed. The amine is:

1. any primary amine

2. an aromatic primary amine

3. any amine

4. none of the above

Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 63%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

The compound obtained by heating a mixture of primary amine and chloroform with ethanolic potassium hydroxide (KOH) is

[1997]

1. An alkyl isocyanide

2. An alkyl halide

3. An amide

4. An amide and nitro compound

Subtopic:  Cyanides & Isocyanides |
 86%
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

Identify 'Z' in the change;

C6H5NH2280KNaNO2/HClXCuBr/HBrZ:

1. 

2. 

3. 

4. 

Subtopic:  Mechanism |
 85%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

Among the following, the strongest base is:

1. C6H5NH2

2. p-NO2-C6H4NH2

3. m-NO2-C2H4NH2

4. C2H5CH2NH2

Subtopic:  Amines - Preparation & Properties |
 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

A nitrogenous substance X is treated with HNO2 and the product so formed is further treated with NaOH solution, which produces blue colouration. X can be:

1. CH3CH2NH2

2. CH3CH2NO2

3. (CH3)2C(N=O)(NO2)

4. (CH3)2CHNO2

Subtopic:  Urea & Nitro Compound |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Alkanamide that gives 1-phenylethylamine on Hoffmann's reaction is:

1. 2-Phenylpropanamide

2. 3-Phenylpropanamide

3. 2-Phenylethanamide

4. N-Phenylethanamide

Subtopic:  Amines - Preparation & Properties |
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 IUPAC name of the given comound is -

  

1. 1-Methyl-aminopropane

2. Butan-2-amine

3. 2-Methyl-2-aminopropane

4. None of the above

Subtopic:  Amines - Preparation & Properties |
 65%
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