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: B

Solution :

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