Chemical Bonding And Molecular Structure Ques 113

113. In which one of the following molecules the central atom said to adopt $sp^{2}$ hybridization?

[1989]

(a) $BeF_2$

(b) $BF_3$

(c) $C_2 H_2$

(d) $NH_3$

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Answer:

Correct Answer: 113.(b)

Solution:

(b) $BF_3$ involves $s p^{2}$-hybridization.