Lassaigne's test for the detection of nitrogen will fail in the case of :

1. NH2CONH2

2. NH2CONHNH2.HCl

3. NH2NH2.HCl

4. C6H5NHNH2.2HCl

Subtopic:  Amines - Preparation & Properties |
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Identify the product (A)  in the following reaction series,

CH3CN Na/C2H5OH(X) HNO2(Y) [O](Z) Tollens reagent(A):

1. CH3CHO

2. CH3CONH2

3. CH3COOH

4. CH3-CH2-NHOH

 

Subtopic:  Cyanides & Isocyanides |
 65%
From NCERT
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The product C in the following sequence of reactions is:

     CH3CNH2OANH3BC is:

1. Methylamine

2. Ammonium acetate

3. Ethylamine

4. Acetamide

Subtopic:  Cyanides & Isocyanides |
 61%
From NCERT
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Gas evolved during the reacton of sodium metal on ethyl-amine is:

(1) N2

(2) C2H2

(3) H2

(4) CO2

Subtopic:  Amines - Preparation & Properties | Mechanism |
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Ethylamine undergoes oxidation in the presence of KMnOfollowed by hydrolysis to form:

1. an acid

2. an alcohol

3. an aldehyde

4. a N-oxide

Subtopic:  Amines - Preparation & Properties |
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Which of the following reactions does not yield an amine?

1. RNH3

2.  RCH=N-OH + [H] \(\xrightarrow[C_{2}H_{5}OH]{Na}\) 

3. RCN+H2OH+

4. 

Subtopic:  Amines - Preparation & Properties | Mechanism |
 67%
From NCERT
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Hinsberg's method to separate amines is based on the use of:

(1) benzene sulphonyl chloride

(2) benzene sulphonic acid

(3) ethyl oxalate

(4) acetyl chloride

Subtopic:  Identification of Primary, Secondary & Tertiary Amines |
 89%
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 (NH4)2SO4 + KCNO upon heating generates -

1. Nitrogen gas

2. Carbon dioxide

3. Biuret

4. Ammonium carbonate

Subtopic:  Urea & Nitro Compound | Mechanism |
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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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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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