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
Butanenitrile is formed by the reaction of KCN with:
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.
2.
3.
4.
On sulphonation of C6H5Cl, the product obtained is-
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
Toluene on reaction with N-Bromosuccinimide gives
1. Phenyl bromomethane
2. o-Bromomethyl benzene
3. p-Bromomethyl benzene
4. m-Bromomethyl benzene
Propene upon heating with \(\mathrm{Cl}_2 \text { at } 500{ }^{\circ} \mathrm{C}\) forms:
1. | \(\mathrm{CH}_3-\mathrm{CHCl}-\mathrm{CH}_2 \mathrm{Cl} \) | 2. | \(\mathrm{CH}_2 \mathrm{Cl}-\mathrm{CH}=\mathrm{CH}_2 \) |
3. | \(\mathrm{CH}_2 \mathrm{Cl}-\mathrm{CHCl}-\mathrm{CH}_2 \mathrm{Cl} \) | 4. | All of the above |
1. | 4-Bromo-2-cyanobenzyl chloride | 2. | 4-Cyanobenzyl cyanide |
3. | 4-Cyanobenzyl chloride | 4. | 4-Bromobenzyl cyanide |
Isobutyl bromide may be obtained from isobutylene and HBr in the presence of
1. Hydroquinone
2. Diphenylamine
3. Peroxide
4. All of the above