1.Consider the reaction when aqueous solutions of Chromium(II) iodide and sodium

Question

1.Consider the reaction when aqueous solutions of Chromium(II) iodide and sodium acetate are combined. The net ionic equation for this reaction is
2.Consider the reaction when aqueous solutions of lead(II) acetate and manganese(II) iodide are combined. The net ionic equation for this is 3. Consider the reaction when aqueous solutions of lead(II) nitrate and manganese (II) bromide are combined. The net ionic equation for this is 4. Write the balanced net ionic equation for this reaction. Pb(NO3)2(aq)+MnI2(aq)->PbI2(s)+Mn(NO3)2(aq)
5. Write a net ionic equation for the reaction that occurs when aqueous solutions of ammonia and nitric acid are combined 6. Write a net ionic equation for the reaction that occurs when aqueous solutions of ammonia and hypochlrous acid are combined 7. Write a net ionic equation for the reaction that occurs when aqueous solutions of ammonia and hydrochloric acid are combined 1.Consider the reaction when aqueous solutions of Chromium(II) iodide and sodium acetate are combined. The net ionic equation for this reaction is
2.Consider the reaction when aqueous solutions of lead(II) acetate and manganese(II) iodide are combined. The net ionic equation for this is 3. Consider the reaction when aqueous solutions of lead(II) nitrate and manganese (II) bromide are combined. The net ionic equation for this is 4. Write the balanced net ionic equation for this reaction. Pb(NO3)2(aq)+MnI2(aq)->PbI2(s)+Mn(NO3)2(aq)
5. Write a net ionic equation for the reaction that occurs when aqueous solutions of ammonia and nitric acid are combined 6. Write a net ionic equation for the reaction that occurs when aqueous solutions of ammonia and hypochlrous acid are combined 7. Write a net ionic equation for the reaction that occurs when aqueous solutions of ammonia and hydrochloric acid are combined
2.Consider the reaction when aqueous solutions of lead(II) acetate and manganese(II) iodide are combined. The net ionic equation for this is 3. Consider the reaction when aqueous solutions of lead(II) nitrate and manganese (II) bromide are combined. The net ionic equation for this is 4. Write the balanced net ionic equation for this reaction. Pb(NO3)2(aq)+MnI2(aq)->PbI2(s)+Mn(NO3)2(aq)
5. Write a net ionic equation for the reaction that occurs when aqueous solutions of ammonia and nitric acid are combined 6. Write a net ionic equation for the reaction that occurs when aqueous solutions of ammonia and hypochlrous acid are combined 7. Write a net ionic equation for the reaction that occurs when aqueous solutions of ammonia and hydrochloric acid are combined

Explanation / Answer

- Most alkali metal (group I metals) are always soluble

- Cations/Anions such as NH4+, HCO3-; ClO3-, NO3- are always soluble

- Most halides are soluble, F-,Cl-,Br-,I-, exceptions = Ag+, Hg2+2, Pb+2 compounds

- Most sulfates are soluble (SO4-2); exceptions = Ag+, Ca+2, Sr+2, Ba+2, Hg2+2, Pb+2 compounds

- In general (except all alkali metals) these ions will NOT be soluble: PO4-3, CrO4-2, S-2, CO3-2

1.Consider the reaction when aqueous solutions of Chromium(II) iodide and sodium acetate are combined. The net ionic equation for this reaction is

CrI2(aq) + NaCH3COO(aq) = no reaction

Note that acetates and sodium are soluble, will not form compounds

2.Consider the reaction when aqueous solutions of lead(II) acetate and manganese(II) iodide are combined. The net ionic equation for this is

3. Consider the reaction when aqueous solutions of lead(II) nitrate and manganese (II) bromide are combined. The net ionic equation for this is

Similar as in 2, Bromide ions and Lead form precipitate

Pb2+(aQ) + 2Br-(aq) = PbBr2(s)

4. Write the balanced net ionic equation for this reaction. Pb(NO3)2(aq)+MnI2(aq)->PbI2(s)+Mn(NO3)2(aq)

Net ionic includes only solid formatino

Pb2+(aq) + 2I-(aq) = PbI2(s)

5. Write a net ionic equation for the reaction that occurs when aqueous solutions of ammonia and nitric acid are combined

net ionic is:

NH3(aq) + H+(aq) = NH4+(aq)

6. Write a net ionic equation for the reaction that occurs when aqueous solutions of ammonia and hypochlrous acid are combined

similarly:

NH3(aq) + HClO(a) = NH4+(aq) + ClO-(aq)

ClO- must be added, since it is molecular and will form ClO- + H2O <-> HClO

7. Write a net ionic equation for the reaction that occurs when aqueous solutions of ammonia and hydrochloric acid are combined

NH3(aq) + H+(aq) = NH4+(aq)

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