Equilibrium Question 89

Question: Which of the following is Lewis acid [NCERT 1978; EAMCET 1987; MP PET 1994; CPMT 1990; AFMC 1997; RPMT 1999]

Options:

A) $ BF_3 $

B) $ C{l^{-}} $

C) $ H_2O $

D) $ NH_3 $

Show Answer

Answer:

Correct Answer: A

Solution:

$ BF_3 $ is a Lewis acid because -B- has incomplete octet.



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