Assignment:
Question 1. Write a balanced net ionic equation for the reaction of each of the following compounds with water.
(a.) Na3PO 4
(b.) NaHSO4
(c.) (CH3)3NHCl
Question 2. The following species are amphiprotic. Write the formulas of the corresponding conjugate acids and bases:
(a.) HSe-
(b.) PH3
(c.) HPO32-
Question 3. For each of the following nonaqueous reactions, identify the acid and the base.
(a.) PCl5 + ICl => PCl4+ + ICl2-
(b.) POCl3 + Cl- => POCl4-
(c.) Li3N + 2 NH3 => 3 Li+ + 3 NH2-
Question 4. Will either of the following high temperature gas-phase reactions be feasible? Give your reasoning in each case.
(a.) CuI2(g) + 2 CuF(g) => CuF2(g) + CuI(g)
(b.) CoF2(g) + HgBr2(g) => CoBr2(g) + HgF2(g)
Question 5. Explain the trends in melting point for
(a.) the Group 2 elements
(b.) the Group 17 elements
(c.) the Group 14 elements