question_answer

Which of the following molecules has trigonal planar geometry?

A) \[I{{F}_{3}}\]                                     

B) \[PC{{l}_{3}}\]

C) \[N{{H}_{3}}\]                                  

D)  \[B{{F}_{3}}\]

Correct Answer: D

Solution :

[a]\[I{{F}_{3}}\]has bent-T geometry [b]\[PC{{l}_{3}}\]has pyramidal geometry [c] \[N{{H}_{3}}\]has pyramidal geometry + [d] \[B{{F}_{3}}\] has trigonal planar geometry