The IUPAC name of the following compound is:
p-ClC6H4CH2CH(CH3)2
1. 1−Chloro−4−(2−methylpropyl) benzene
2. 4−Chloro−1−(2−methylpropyl) benzene
3. 1−Chloro−4−(3−methylpropyl) benzene
4. 4−Chloro−4−(3−methylpropyl) benzene
1. 2−Bromo−3,3−bis(4−chlorophenyl) butane
2. 4−Bromo−3,3−bis(2−chlorophenyl) butane
3. 2−Bromo−1,1−bis(4−chlorophenyl) butane
4. 4−Bromo−1,1−bis(2−chlorophenyl) butane
What is the correct IUPAC name of the below mentioned compound?
1. | 1−Chloro−4−(1−iodophenyl)−3, 3−dimethylbut−1−ene |
2. | 1−Chloro−1−(4−iodophenyl)−3, 3−dimethylbut−1−ene |
3. | 1−Chloro−2−(3−iodophenyl)−3, 3−dimethylbut−1−en |
4. | 4−Chloro−1−(1−iodophenyl)−1, 1−dimethylbut−3−ene |
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
1. | 1 | 2. | 2 |
3. | 3 | 4. | 4 |
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 |
The correct sequence for increasing dipole moment is:
1. CCl4 < CHCl3 < CH2Cl2
2. CHCl3 < CH2Cl2 < CCl4
3. CCl4 < CH2Cl2 < CHCl3
4. CH2Cl2 < CCl4 < CHCl3
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 |