Methylamine reacts with HNO2 to form-
1. | CH3-O-N=O | 2. | CH3-O-CH3 |
3. | CH3-OH | 4. | CH3CHO |
The gas evolved when methylamine reacts with nitrous acid is .............
1. NH3
2. N2
3. H2
4. C2H6
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
Which of the following compound will not undergo azo coupling reaction with benzene diazonium chloride?
1. Aniline
2. Phenol
3. Anisole
4. Nitrobenzene
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
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)
Match the reactions given in Column I with the statements given in Column II.
Column I | Column II |
A. Ammonolysis | 1. Amine with a lesser number of carbon atoms |
B. Gabriel phthalimide synthesis | 2. Detection test for primary amines. |
C. Hofmann bromamide reaction | 3. Reaction of phthalimide with KOH and R—X |
D. Carbylamine reaction | 4. Reaction of alkyl halides with NH3 |
Codes:
A | B | C | D | |
1. | 2 | 3 | 4 | 1 |
2. | 3 | 1 | 4 | 2 |
3. | 1 | 4 | 3 | 2 |
4. | 4 | 3 | 1 | 2 |
The reagents that can be used to convert benzene diazonium chloride to benzene are
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)