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 |
Which of the following compounds will react with ammoniacal silver nitrate AgNO3?
1. | |
2. | |
3. | |
4. |
Which compound is expected to decolorize a cold, basic KMnO4 solution?
1. CH3– CH3
2. CH3CH2CH
3.
4.
Which of the following compounds has the highest melting point?
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 |