What is/are true regarding nitration and sulphonation of benzene?

Nitration || Sulphonation

Nitration of benzene is

Explain about the sulphonation of benzene.

Nitration of benzene is:

Nitration of benzene is:

Explain halogenation, alkylation, acylation, nitration and sulphonation of benzene.

How do we get benzene from acetylene? Give the corresponding equation. Explain the halogenation, alkylation, acylation, nitration and sulphonation of benzene.