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Chemistry
Which of the following does not act as Lewis acid?
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Q. Which of the following does not act as Lewis acid?
AIIMS
AIIMS 2000
The p-Block Elements
A
$BF _{3}$
18%
B
$SnCl _{4}$
18%
C
$CCl _{4}$
58%
D
$SF _{3}$
5%
Solution:
Lewis acids are those molecules which can accept electron pair and those who can donate electron pairs are called Lewis base.
CCl
4
molecule does not have any vacant orbital where it can accept pair of electrons so CCl
4
cannot act as Lewis acid.