Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
The Lewis acids among the following are: (1) \[B{{F}_{3}}\] (3)\[AlC{{l}_{3}}\] (3) \[BeC{{l}_{2}}\] (4)\[{{H}_{2}}O\]A) 1, 2 and 3 are correct
B) 1 and 2 are correct
C) 2 and 4 are correct
D) 1 and 3 are correct
Correct Answer: A
Solution :
\[B{{F}_{3}},\text{ }AlC{{l}_{3}}\]and\[BeC{{l}_{2}}\]are Lewis acids while \[{{H}_{2}}O\]is a Lewis base.
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