Which of the following is the necessary condition for desulphonation?
A. Remove volatile hydrocarbon by steam distillation
B. Low concentration of water
C. High concentration of sulphonating agent
D. A large excess of fuming sulphuric acid
Answer:A
Which of the following is the necessary condition for desulphonation?
A. Remove volatile hydrocarbon by steam distillation B. Low concentration of water C. High concentration of sulphonating agent D. A large excess of fuming sulphuric acid
Explanation: The necessary condition for desulphonation is to Use dilute acid, high