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 reaction $\mathrm{Ar}{\stackrel{+}{\mathrm{N}}}_2{\mathrm{Cl}}^{-}\stackrel{\mathrm{Cu}, \mathrm{HCl}}{\to }\mathrm{ArCl}+{\mathrm{N}}_2+\mathrm{CuCl}$ is named as:

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 cannot be prepared by 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.

Codes