MCQ
Which of the following is Lewis acid
- ✓$B{F_3}$
- B$N{H_3}$
- C$P{H_3}$
- D$S{O_2}$
✓
Answer
Correct option: A.
$B{F_3}$
(a) $B{F_3}$ contain $6$ electron so it is lewis acid.
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