Specify the Co-ordination geometry around and the hybridization of N and B atoms in 1 : 1 complex of ${\mathrm{BF}}_3$ and ${\mathrm{NH}}_3$
 

• A

  $\mathrm{N}:\text{ tetrahedral s}{p}^3;\text{ B: tetrahedral s}{p}^3$

• B

  $\mathrm{N}:\text{ Pyramidal, s}{p}^3;\text{ B:Pyramidal s}{p}^3$

• C

  $\mathrm{N}:\text{ Pyramidal, s}{p}^3;\text{ B: Planar s}{p}^2$

• D

  $\mathrm{N}:\text{ Pyramidal, s}{p}^3;\text{ B: tetrahedral }{\mathrm{sp}}^3$