What is the product formed when methylamine reacts with nitrous acid?

1. CH3-O-N=O 2. CH3-O-CH3
3. CH3-OH 4. CH3CHO
Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 74%
Level 2: 60%+
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The gas evolved when methylamine reacts with nitrous acid is:

1. NH3
2. N2
3. H2
4. C2H6

Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 85%
Level 1: 80%+
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The following reaction is named as:

\(\mathrm{Ar} \mathrm{N}_2^{+} \mathrm{Cl}^{-} \xrightarrow{\mathrm{Cu}/ \mathrm{HCl}} \mathrm{ArCl}+\mathrm{N}_2+\mathrm{CuCl}\)
1. Sandmeyer reaction
2. Gattermann reaction
3. Claisen reaction
4. Carbylamine reaction

Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 74%
Level 2: 60%+
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Which of the following compound will not undergo azo coupling reaction with benzene diazonium chloride?

1.  Aniline

2.  Phenol

3.  Anisole

4.  Nitrobenzene

Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 62%
Level 2: 60%+
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A compound among the following that does not undergo an azo coupling reaction with benzene diazonium chloride is:

1. Aniline

2. Phenol

3. Anisole

4. Nitrobenzene

Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 63%
Level 2: 60%+
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The compound(s) among the following that is/are not typically synthesized using the Sandmeyer reaction:

(a) Chlorobenzene

(b) Bromobenzene

(c) Iodobenzene 

(d) Fluorobenzene

Choose the correct option:
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)

Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 87%
Level 1: 80%+
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Match the reactions given in Column-I with the statements given in Column-II.

Column-I Column-II
A. Ammonolysis (i) Amine with a lesser number of carbon atoms
B. Gabriel phthalimide synthesis (ii) Detection test for primary amines.
C. Hofmann bromamide reaction (iii) Reaction of phthalimide with KOH and R—X
D. Carbylamine reaction (iv) Reaction of alkyl halides with NH3

Codes:

A B C D
1. (ii) (iii) (iv) (i)
2. (iii) (i) (iv) (ii)
3. (i) (iv) (iii) (ii)
4. (iv) (iii) (i) (ii)
Subtopic:  Diazonium Salts: Preparation, Properties & Uses | Mechanism |
 90%
Level 1: 80%+
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Which of the following reagents can be used to convert benzene diazonium chloride to benzene?

a. SnCl2 / HCI
b. CH3CH2OH
c. H3PO2
d. LiAlH4

Choose the correct option:
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)

Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 81%
Level 1: 80%+
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