Which of the following fluoro-compounds is most likely to behave as a Lewis base?<p></p>

Lewis base is substance which contains lone pair on central atom.
CF4, SiF4 and BF3 have no lone pair on central atom. PF3 has one lone pair on central atom and thus act as Lewis base.

Eduprobe

Question:

Which of the following fluoro-compounds is most likely to behave as a Lewis base?

Solution: