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
Which of the following compounds is the weakest Bronsted base?
1. | 2. | ||
3. | 4. |
Among the following amines, the strongest Bronsted base is:
1. | 2. | ||
3. | 4. |
The correct decreasing order of basic strength of the following species is.
Which of the following should be most volatile?
1. | II | 2. | IV |
3. | I | 4. | III |
Which of the following methods of preparation of amines will not give the same number of carbon atoms in the chain of amines as in the reactant?
1. | Reaction of nitrile with LiAlH4 |
2. | Reaction of amide with LiAlH4 followed by treatment with water |
3. | Heating alkyl halide with potassium salt of phthalimide followed by hydrolysis |
4. | Treatment of amide with bromine in an aqueous solution of sodium hydroxide. |
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)
Reduction of nitrobenzene by which of the following reagent gives aniline?
(a) Sn/HCl
(b) Fe/HCl
(c) H2-pd
(d) Sn/NH4OH
Choose the correct option
1. (a, b, c)
2. (b, c, d)
3. (a, c, d)
4. (a, b, d)