The structure of C in the above mentioned reaction is -

1. 

2. 

3. 

4. 

Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 80%
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Semicarbazide, among the following, is:

1. NH2CONH2

2. NH2-NH2

3. NH2CONHNH2

4. None of the above

Subtopic:  Cyanides & Isocyanides |
 76%
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Aniline when diazotised in cold and then treated with dimethylaniline, gives a coloured product. It's structure would be :                                                                             

1.
 

2. 
 

3. 
 

4. 

Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 75%
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Name the end product in the following series of reactions,

CH3COOH NH3ABP2O5C:

(a) CH4                                         (b) CH3OH

(c) acetonitrile                               (d) ammonium acetate

Subtopic:  Amines - Preparation & Properties |
 72%
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The type of isomerism shown by C6H5CN and C6H5NC is:

(a) position

(b) functional

(c) enantiomerism

(d) tautomerism

Subtopic:  Amines - Preparation & Properties |
 85%
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An organic compound A on reduction gives compound B which on reaction with chloroform and potassium hydroxide forms C. The compound C on catalytic reduction gives N-methylaniline. The compound A is                                                                                      [2000]

(a) nitrobenzene

(b) nitromethane

(c) methylamine

(d) aniline

Subtopic:  Urea & Nitro Compound |
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An aromatic primary amine with cold nitrous acid leads to the formation of:

(a) alcohol

(b) nitrite

(c) diazonium salt

(d) benzene

Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
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Product P in the above reaction is 

[2002]

Subtopic:  Cyanides & Isocyanides |
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In the reaction,

CH3CN+2HSnCl2HClX Boiling H2O Y, the term Y is 

[1999]

1. Acetone

2. Ethanamine

3. Acetaldehyde

4. Dimethyl amine

Subtopic:  Cyanides & Isocyanides |
 63%
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X and Y in the given reaction are:

(a) CH3COOH + (CH3)2NH

(b) CH3CONH2 + CH3OH

(c) CH3CHO + (CH3)2NH

(d) CH3COCH3 + CH3NH2

Subtopic:  Identification of Primary, Secondary & Tertiary Amines |
 75%
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