Benzylamine may be alkylated as shown in the following equation?

C6H5CH2NH2+RXC6H5CH2NHR

Which of the following alkyl halides is best suited for this reaction through SN1 mechanism?

1. CH3Br2. C6H5Br3. C6H5CH2Br4. C2H5Br

Subtopic:  Amines - Preparation & Properties |
 58%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The reagent among the following that does not reduce an aryl nitro compound to an amine is:

1. H2(excess) / Pt

2. LiAlH4 in ether

3. Fe and HCI

4. Sn and HCI

Subtopic:  Urea & Nitro Compound |
 61%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

In order to prepare a 1o amine from an alkyl halide with the simultaneous addition of one CH2 group in the carbon chain, the reagent used as a source of nitrogen is-

1.  Sodium amide, NaNH2

2.  Sodium azide, NaN3

3.  Potassium cyanide, KCN

4.  Potassium phthalimide, C6H4(CO)2 NK+

Subtopic:  Amines - Preparation & Properties |
 59%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

advertisementadvertisement

The source of nitrogen in Gabriel synthesis of amines is

1. sodium amide, NaN3

2. sodium uzide, NaNO2

3. potassium cyanide, KCN

4. potassium phthalimide C6H4(CO)2 NK+

Subtopic:  Amines - Preparation & Properties |
 79%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Amongst the given set of reactants, the most appropriate for preparing 2o amine is 

1.  2o  R - Br + NH3
2.  2oR — Br + NaCN followed by H2/Pt
3.  1o R —NH2 + RCHO followed by H2/Pt
4.  1o R — Br(2 mol) + potassium phthalimide followed by H3O+/ heat

Subtopic:  Amines - Preparation & Properties |
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The most effective reagent among the following to convert 2-phenylpropanamide into 2-phenylpropanamine is:
 

1. Excess H2
2. Br2 in aqueous NaOH
3. Iodine in the presence of phosphorus
4. LiAlH4 in ether

Subtopic:  Amines - Preparation & Properties |
 58%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

advertisementadvertisement

The best reagent for converting, 2-phenylpropanamide into 1-phenylethanamine is .... ....

1.  Excess H2 / Pt

2.  NaOH / Br2

3. NaBH4 / Methanol

4.  LiAlH4 / Ether

Subtopic:  Amines - Preparation & Properties |
 77%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Hofmann bromamide degradation reaction is shown by:

1 PhNH2 2. PhCONH2
3. PhNO2 4. PhCH2NH2

Subtopic:  Amines - Preparation & Properties |
 90%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The correct increasing order of basic strength for the following compounds is:

   (I)       (II)       (III)

1. II < III < I

2. III < I < II

3. III < II < I

4. II < I < III

Subtopic:  Amines - Preparation & Properties |
 86%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

advertisementadvertisement

Methylamine reacts with HNO2 to form-
1. CH3-O-N=O
2. CH3-O-CH3
3. CH3-OH
4. CH3CHO

Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 74%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh