NEETChemistryAlcohols Phenols and Ethers
What is the primary purpose of using oleum in the synthesis of phenol from benzene?
Options
- ATo provide a source of oxygen
- BTo increase the reaction rate
- CTo prevent side reactions
- DTo enhance the reaction's selectivity
Correct answer
B. To increase the reaction rate
Step-by-step solution
Oleum is used to increase the reaction rate during the sulphonation of benzene, allowing for the efficient formation of benzene sulfonic acid.