Question

Which of the following cannot act as Lewis base?

• A. $C{H}_{3}N{H}_2$
• B. $H_{2}O$
• C. $B{F}_3$
• D. $N{H}_3$

Answer 1

The correct option is C

$B{F}_3$

$B{F}_3$ has vacant orbital and incomplete octet hence act as Lewis acid