Correct statement(s) about the compounds P, Q and R is(are)

A

$$\mathbf{P}$$ has two lone pairs of electrons on the central atom.

B

$$\mathbf{Q}$$ has a perfect octahedral geometry.

C

$$\mathbf{Q}$$ can act as a fluorinating agent.

D

The molecular structure of $$\mathbf{R}$$ is trigonal pyramidal.