Amines

1,4-Dinitrobenzene

1, 2,4-Trinitrobenzene

1,2-Dinitrobenzene

1,3-Dinitrobenzene

primary amine

secondary amine

tertiary amine

quaternary ammonium salt

benzene sulfonic acid

benzene sulphonyl chloride

p-toluene sulphonyl chloride

chlorosulphuric acid

Tertiary amine

Secondary amine

Primary amine

Both Secondary and Tertiary amine

Benzenediamine

Benzene-1,4-diamine

p-Aminoaniline

4-Aminobenzenamine

Methanamine

Propan-2-amine

N, N-Diethylethanamine

Ethanamine

$\mathrm{NaNO}_{2}$ and HCl

FeCl ${ }_{3}$ (alc)

$C_{6} \mathrm{H}_{5} \mathrm{SO}_{2} \mathrm{Cl}$

$\mathrm{CHCl}_{3}$ and KOH (alc)

2

4

6

1

$\left(\mathrm{CH}_{3}\right)_{3} \mathrm{~N}$

$\quad\left(\mathrm{CH}_{3}\right)_{2} \mathrm{NH}$

$\quad\left(\mathrm{CH}_{3} \mathrm{CH}_{2}\right)_{2} \mathrm{NH}$

$\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{NH}_{2}$

N -methylmethanamine

4-Bromobenzenamine

N-Phenylbenzenamine

N-Ethyl-N-methylpropan-2-amine

Ethanamine

Acetamide

Formamide

Methanamine

$\xrightarrow[\Delta]{\text { dil. } \quad / \mathrm{HCl}}$

$\xrightarrow[\text { low temp. }]{\mathrm{NaNO}_{2}+\mathrm{HCl}}$

$\xrightarrow[\Delta]{\mathrm{H}_{3} \mathrm{O}^{+}}$

NaOH, 623 K

aliphatic $2^{\circ}$ amines

aliphatic $1^{\circ}$ amines

aromatic $1^{\circ}$ amines

Both (b) and (c)

Sandmeyer reaction

Balz-Schiemann reaction

Gattermann reaction

Swarts reaction

nitrile

alcohol

diazonium salt

secondary amine