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?

The reaction below is an example of:

1. Addition reaction.

2. ${\mathrm{S}}_{\mathrm{N}}\mathrm{1\; reaction}$

3. Elimination reaction.

4. ${\mathrm{S}}_{\mathrm{N}}\mathrm{2\; reaction}$

 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

Wurtz reaction is not preferred for the preparation of alkanes containing an odd number of carbon atoms because:

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: