Question

Assertion: `S_(N^(2))` reactions do not proceed with retention of configuration.
Reason: `S_(N^(2))` reactions proceed in a single step.
A. If both assertion and reason are correct and reason is correct explanation for assertion
B. If both assertion and reason are correct but reason is not correct explanation for assertion.
C. If assertion is correct but reason is incorrect.
D. if both assertion and reason are incorrect.

Answer 1

Correct Answer - B
Correct explanation. In `S_N^(2)` reactions, the nucleophile attacks the substrate from the side opposite to the side where the leaving group is present.