Chapter 6, Problem 52P

Draw a Lewis electron dot diagram for each of the following molecules and ions. Formulate the hybridization for the central atom in each case and give the molecular geometry.

(a) ${\text{BF}}_{\text{3}}$

(b) ${\text{BH}}_{\text{4}}^{-}$

(c) ${\text{PH}}_{\text{3}}$

(d) ${\text{CS}}_{\text{2}}$

(e) ${\text{CH}}_{\text{3}}^{+}$