Discuss:
(a) Nitration of an alkane.
(b) Sulphonation of alkane.

Explain briefly the process of cracking or pyrolysis.

What is reforming (or aromatization)? Why is it done?

Define the terms conformation and conformational isomerism.

Define the terms conformation and conformational isomerism.

Out of staggered and eclipsed conformations of ethane, which is more stable and why ?

Can eclipsed and staggered conformations of ethane be isolated? Give reasons.