Which of the following is not used as a Lewis acid [MP PET 2000]

1.	Which of the following is not used as a Lewis acid [MP PET 2000]
A.	\[SnC{{l}_{4}}\]
B.	\[FeC{{l}_{3}}\]
C.	\[KCl\]
D.	\[B{{F}_{3}}\]
Answer» D. \[B{{F}_{3}}\]

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Which of the following is not used as a Lewis acid [MP PET 2000]

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