Chapter 8, Problem 28E

Describe the molecular geometry and hybridization of the N, P, or S atoms in each of the following compounds.

(a) ${\text{H}}_{\text{3}}{\text{PO}}_{\text{4}}$, phosphoric acid, used in cola soft dunks

(b) ${\text{NH}}_{\text{4}}{\text{NO}}_{\text{3}}$, ammonium nitrate, a fertilizer and explosive

(c) ${\text{S}}_{\text{2}}{\text{Cl}}_{\text{2}}$, disulfur dichioride, used in vulcanizing rubber

(d) ${\text{K}}_{\text{4}}\left[{\text{O}}_{\text{3}}{\text{POPO}}_{\text{3}}\right]$, potassium pyrophosphate, an ingredient in some toothpastes