The reaction below is an example of :
1. Addition reaction.
2.
3. Elimination reaction.
4.
Sulphuric acid is not used during the reaction of alcohols with KI and acts as :
1. Reducing agent
2. Electron donor
3. Electron acceptor
4. Oxidising agent
Why is the Wurtz reaction not preferred for the preparation of alkanes containing an odd number of carbon atoms?
1. | Boiling points of alkanes obtained in the mixture are very close |
2. | Melting points of alkanes obtained in the mixture are very close |
3. | Lattice energy of alkanes obtained in the mixture are very close |
4. | None of the above |
A hydrocarbon C5H10 does not react with chlorine in the dark but gives a single monochloro compound C5H9Cl in bright sunlight. Hydrocarbon could be:
1. | Benzene | 2. | Cyclopentane |
3. | Toluene | 4. | Hexane |
Out of , the one that gets easily hydrolyzed by aqueous KOH is :
1.
2.
3. Both react equally
4. None of the above
The best substrate for the preparation of 1-iodobutane in the presence of
NaI/dry acetone is:
1. 1-Chlorobutane
2. n-Butane
3. Butanol
4. Butyne
1. 1-Butanol
2. But-1-ene
3. Butyne
4. Butanal
1. Methylenecyclohexane
2. 4-Methylcyclohex-1-ene
3. 1-Methylcyclohex-1-ene
4. None of the above
A major product is obtained by the dehydrohalogenation of 2-Chloro-2-methyl butane with sodium ethoxide in ethanol. The product's IUPAC name is:
1. 2-Methyl-2-butene
2. 2-Methyl-1-butene
3. 1-Methyl-2-butene
4. Methyl butene