Question

$BF_{3}$ is used as a catalyst in various organic reactions because.

• A. It is a strong reducing agent
• B. It is a highly reactive compound
• C. It is a weak lewis acid.
• D. It is a strong lewis acid.

Answer 1

Answer: (D)

It is a strong lewis acid.

Answer 2

: $BF_{3}$ is a strong lewis acid due to increased electron density on B due to back – bonding Hence, it is used as a catalyst in many organic reactions.