question_answer

Which of the following would have a permanent dipole moment              [CBSE PMT 2005]

A)                 \[B{{F}_{3}}\]    

B)                 \[Si{{F}_{4}}\]

C)                 \[S{{F}_{4}}\]    

D)                 \[Xe{{F}_{4}}\]

Correct Answer: C

Solution :

           Due to distorted tetrahedral geometry \[S{{F}_{4}}\] has permanent dipole moment