Q. Which of the following is a Lewis acid?

2216 191 J & K CETJ & K CET 2013Equilibrium Report Error

A

$B F_{4}^{-}$

12%

B

$O H^{-}$

12%

C

$A lC l_{3}$

68%

D

$RN H_{2}$

8%

Solution:

$A lC l_{3}$ Because Lewis acids are electron pair acceptor.