Chemistry

Problem

Column-I (Pair of species)	Column-II (Identical Property in pairs of species)
(A) $PCl_3F_2, PCl_2F_3$	(P) Hybridisation of central atom
(B) $BF_3$ and $BCl_3$	(Q) Shape of molecule/ion
(C) $CO_2$ and $CN_2^{-2}$	(R) $\mu$ (dipole moment)
(D) $C_6H_6$ and $B_3N_3H_6$	(S) Total number of electrons