Chapter 5, Problem 26E

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

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

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

(c) ${\text{S}}_{\text{2}}{\text{C1}}_{\text{2}}\text{, disulfur dichloride, used in vulcanizing rubber}$

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