Question

( 4 ) Arrange the following carbocations in the order of increasing stability (least stable first). СНа OC-CHE H-C-H N - a) IV, I, III, II b) III, I, IV, !! c) III, IV, II, 1 d) I, II, II, I

Answer 1

I is tertiary carbon because it is attached to three other carbon

II is secondary carbon because it is attached to two other carbon

iii is primary carbon because it is attached to only one other carbon

IV is methyl group.

Stability order of carbocation is:

Methyl < primary < secondary < tertiary

Answer: d