Question

Which of the following statements regarding the $S_{N}1$ reaction shown by alkyl halide is correct ?

• A. The added nucleophile plays no kinetic role in $S_{N}1$ reaction
• B. The $S_{N}1$ reaction on the chiral starting material ends up with racemisation of the product
• C. The more stable the carbocation intermediate the faster the $S_{N}1$ reaction
• D. All of the above

Answer 1

The correct option is D All of the above

In $S_{N}1$ reaction rate of substitution depends on the concentration of substrate. Hence, option (a) is incorrect. In case of $S_{N}1$ reaction there is racemisation of the product. $S_{N}1$ reaction will be faster, if carbocation formed is more stable. Hence, the correct answer is option (a).