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Chemistry
Which of the following is a Lewis acid ?
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Q. Which of the following is a Lewis acid ?
KCET
KCET 2022
A
$NH _{3}$
B
$BF _{3}$
C
$OH ^{-}$
D
$CN ^{-}$
Solution:
$BF_3$ can receive pair of electrons where as the others can donate