Q. Which of the following fluoro-compounds is most likely to behave as a Lewis base?
A) $BF_3$
B) $PF_3$
C) $CF_4$
D) $SiF_4$
Explanation
[Solution] $PF_3$ has a lone pair on P that it can donate. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.