Question

1IC LUDOUCO 1. Complete and balance the following net ionic equations. If no reaction occurs, write NR. a. Mg?+ + OH (imited -- b. Cu²+ + SCN" - c. Co2+ + NH3(aq) limited + H20 - d. Ba2+ + so; - e. Pb2+ + NH3(aq) excess + H20 – f. Fel+ + SO-- 2. Complete and balance the following net ionic equations. If no reaction occurs, write NR. Tables 4 and 5 of Experiment 7 list amphoteric metal hydroxides that form complex ions in the presence of excess hydroxide ions and aqueous ammonia. a. Mg(OH)2 + OH excess - b. Cu(OH)2 + OH - c. CO(OH)2 + OH - d. Fe(OH)2 + NH3(aq) excess → e. Pb(OH)2 + NH3(aq) excess →

Answer 1

Solution:

1) The balanced ionic equations are given below.

A) Mg2+ + 2 OH- = Mg(OH)2

B) Cu2+ + 2SCN- = Cu(SCN)2

C) Co2+ + 2NH3 + 2H2O = Co(OH)2 + 2NH4+

D) Ba2+ + SO4^2- = BaSO4

E) Pb2+ + 2NH3 + 2H2O = Pb(OH)2 + 2NH4+

F) 2Fe3+ + 3SO4^2- = Fe2(SO4)3