question_answer

Which of the following process is usually employed for the preparation of carbowax from ethylene oxide?

A)  Base-catalysed polymerization

B)  Acid-catalysed polymerization

C)  Free radical polymerization

D)  Coordination polymerization

Correct Answer: A

Solution :

Sol.         Both acid and base can be used to open ethylene oxide ring. But alkoxide ion is better nucleophile than   alcohol   hence   base   catalyzed polymerisation is preferred.