Question

Decreasing order towards $S_{N}1$ reaction for the following compounds is:

• A. $d>b>c>a$
• B. $b>d>c>a$
• C. $a>c>d>b$
• D. $a>b>c>d$

Answer 1

Answer: (B)

The rate of $S_{N}1$ reaction depends upon stability of carbocation which follows the order