Question

Acidity of $BF_3$ can be explained on which of the following concepts ?

• A. Arrhenius concept
• B. Bronsted-Lowry concept
• C. Lewis concept
• D. Bronsted-Lowry as well as Lewis concept

Answer 1

Answer: (C)

Lewis concept

Answer 2

$B$ in $BF_3$ is electron deficient and hence, it has a tendency to accept a pair of electrons.