Question

why secondary carbocation is less stable than the primary carbocation​

Answer 1

Answer:

Secondary Carbocation has two groups attached showing +I effect by which +ve charge of carbon is reduced. While in case of primary Carbocation, there is only one alkyl group that provides +I effect to reduce +ve charge of Carbocation

Answer 2

Answer:

Secondary Carbocation has two groups attached showing +I effect by which +ve charge of carbon is reduced. While in case of primary Carbocation, there is only one alkyl group that provides +I effect to reduce +ve charge of Carbocation.