Thank you for reporting, we will resolve it shortly
Q.
$BF_{3}$ is used as a catalyst in various organic reactions because
The p-Block Elements
Solution:
As a strong Lewis acid, $BF_3$'s catalytic properties are used for such reactions as alkylation of aromatic hydrocarbons, polymerization of phenolic and epoxy resins as well as other isomerization, esterification, and condensation reactions.