The number of isomeric sodium salt of acid that will be required to obtain neopentane is-
1. 3
2. 1
3. 4
4. 6
undergoes Wurtz reaction to give-
1. | Propane + Ethane | 2. | Propane |
3. | Propane + Ethane + Butane | 4. | Propane + Butane |
The compound among the following that undergoes reaction with ammonical is-
1.
2.
3.
4.
The compound most likely to decolorise a solution of cold basic is:
1. CH3– CH3
2. CH3CH2CH3
3.
4.
The compound that has the maximum melting point among the following is-
1.
2.
3.
4.
The most probable mechanism for the above reaction is-
1. E1
2. E2
3.
4. elimination
Nitrobenzene can be prepared from benzene by using a mixture of conc. HNO3 and conc.
H2SO4. In the mixture, nitric acid acts as a/an-
1. Reducing agent
2. Acid
3. Base
4. Catalyst
A compound among the following that does not undergo Friedel-Craft's reaction easily is-
1. Cumene
2. Xylene
3. Nitrobenzene
4. Toluene
The correct order of acidity among the following is:
1. | \(\mathrm{CH \equiv CH > CH_3 - C \equiv CH }\) \(\mathrm{ > CH_2 = CH_2 > CH_3 - CH_3}\) |
2. | \(\mathrm{CH \equiv CH > CH_2 = CH_2 }\) \(\mathrm{ > CH_3 - C \equiv CH > CH_3 - CH_3}\) |
3. | \(\mathrm{CH_3 - CH_3 > CH_2 = CH_2 }\) \(\mathrm{ > CH_3 - C \equiv CH > CH \equiv CH }\) |
4. | \(\mathrm{ CH_2 = CH_2 > CH_3 - CH_3 }\) \(\mathrm{ > CH_3 - C \equiv CH > CH \equiv CH}\) |
The oxidation of benzene by V2O5 in the presence of air produces:
1. | Benzoic anhydride | 2. | Maleic anhydride |
3. | Benzoic acid | 4. | Benzaldehyde |