Question

14. Sulphonation takes place in the presence of?
A NH3
13.) Hesoy
c.) H2O
D.) NONE​

Answer 1

Answer:

Sulphonation with sulphuric acid The chemical reaction is as follows: As can be seen, water is set free by the reaction. The presence of water retards the sulphonation reaction, or even prevents it altogether. This is the reason why a very large excess of H2SO. is used to bring the reaction to completion.