The amine may contain:

(1) -NH2gp.

(2) N||H gp.

(3) -N|| gp.

(4) all of these

Subtopic:  Amines - Preparation & Properties |
 92%
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Which of the following is carbamide?

(1) CH3CONH2

(2) NH2CONH2

(3) CH2(NH2)CONH2

(4) CO(OH)NH2

Subtopic:  Amines - Preparation & Properties |
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Which substance when boiled with NaOH will evolve NH3?

(1) Ethylamine

(2) Aniline

(3) Acetamide

(4) Acetoxime

Subtopic:  Acid Derivatives - Preparation, Properties & Uses |
 66%
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An amine reacts with C6H5SO2Cl and the product is soluble in alkali, amine is:

(1) 1°

(2) 2°

(3) 3°

(4) all of these

Subtopic:  Mechanism |
 87%
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When (NH4)2SO+ KCNO is heated, we get:

(1) nitrogen

(2) carbon dioxide

(3) biuret

(4) ammonium carbonate

Subtopic:  Urea & Nitro Compound | Mechanism |
 53%
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Mark the correct statement:

(1) Methyl amine is slightly acidic.

(2) Methyl amine is less basic than ammonia.

(3) Methyl amine is a stronger base than ammonia.

(4) Methyl amine forms salts with alkali.

Subtopic:  Amines - Preparation & Properties |
 89%
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Which one of the following amines will not react with HNO2 acid to give nitrogen?

(1) CH3NH2

(2) CH3CH2NH2

(3) CH3-C|CH3H-NH2

(4) 

 

Subtopic:  Amines - Preparation & Properties |
 92%
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What is decreasing order of basicity of p-, s-, t-ethyl amines and NH3 in aqueous medium ?

(1) NH3>C2H5NH2>(C2H5)2NH>(C2H5)3N

(2) (C2H5)3N>(C2H5)2NH>C2H5NH2>NH3

(3) (C2H5)2NH>C2H5NH2>NH3>(C2H5)3N

(4) (C2H5)2NH>(C2H5)3N>C2H5NH2>NH3

Subtopic:  Amines - Preparation & Properties |
 75%
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Urea on heating with ethanol gives:

1. Urethane

2. Urea alcohol

3. Ureides

4. None of the above

Subtopic:  Urea & Nitro Compound |
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Alkyl nitrite on reduction with Sn/HCl gives:

1. Alcohol

2. Hydroxylamine

3. Both (a) and (b)

4. Hydrazine

Subtopic:  Urea & Nitro Compound |
 55%
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