question_answer

Compare rate of dehydration of (I), (II) and (III) by cone.\[{{H}_{2}}S{{O}_{4}}\].   

I.

II.

III.

A) (I) > (III) > (II)      

B) (I) > (II) > (Ill)

C) (II) > (I) > (III)       

D) (II) > (III) > (I)

Correct Answer: B

Solution :

[b] Formation ofcarbocation is r.d.s.