Chloroform is slowly oxidized by air in the presence of light and air to form:

1. Phosgene

2. Formyl chloride

3. Formaldehyde

4. Trichloroethanol

Isobutyl bromide may be obtained from isobutylene and HBr in the presence of

1. Hydroquinone

2. Diphenylamine

3. Peroxide

4. All of the above 

Propene upon heating with \(\mathrm{Cl}_2 \text { at } 500{ }^{\circ} \mathrm{C}\) forms:

2-Bromopentane is heated with KOH in ethanol. The major product obtained is-

1. 2-Ethoxypentane

2. 1-Pentane

3. cis-2-Pentane

4. trans-2-Pentene

Ethyl bromide reacts with lead-sodium alloy to form

1. tetramethyl bromide

2. tetraethyl lead

3. both (1.) and (2.)

4. none of these

Which of the following compounds reacts with KCN to form butanenitrile?

1. Butyl chloride.

2. Propyl chloride.

3. Butyl alcohol.

4. Propyl alcohol.

Which of the following molecules has the highest melting point?

1. Chlorobenzene

2. o-Dichlorobenzene

3. m-Dichlorobenzene

4. p-Dichlorobenzene

Chloroform when reacts with nitric acid, gives

1. ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{C}{\left(\mathrm{NO}\right)}_5\mathrm{SH}$

2. ${(CH}_{}$₃)2CHOH

3. ${\mathrm{CCl}}_3{\mathrm{NO}}_2$

4. ${\mathrm{CCl}}_3{\mathrm{NO}}_3$

 Which of the following products are formed on sulphonation of chlorobenzene(C₆H₅Cl)?

1. m-Chlorobenzene sulphonic acid is formed

2. Benzene sulphonic acid is formed

3. o-Chlorobenzene sulphonic acid is formed

4. o-and p-Chlorobenzene sulphonic acid is formed