MCQ
Amongst the given options which of the following molecules/ ion acts as a Lewis acid?
- A$OH ^{-}$
- B$NH _3$
- C$H _2 O$
- ✓$BF _3$
✓
Answer
Correct option: D.
$BF _3$
d
Lewis acids are the one which accepts lone pair of electron due to presence of vacant orbital in outermost shell.
Lewis acids are the one which accepts lone pair of electron due to presence of vacant orbital in outermost shell.
$H _2 \ddot{ O :} \longrightarrow \text { Lewis base }$
$BF _3 \longrightarrow \text { Lewis acid }$
$\ddot{ :O :}H \longrightarrow \text { Lewis base }$
$\ddot{ N } H _3 \longrightarrow \text { Lewis base }$
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