Question

Reactivity order for SN1 reaction :-

Answer 1

Answer:

b>c>d>a

Explanation:

b have 3 alpha hydrogen so it'll stabilize the intermediate carbocation through hyperconjugation , c has 2 alpha hydrogen , d has 1 , a has no extra stability other than the resonance of benzene ring

Answer 2

Answer:

d>c>b>a simply sn1 goes with rearrangement of carbocation