Salt Preparation

1. CuCl₂, copper (II) chloride, is

Insoluble

Soluble

2. The method to prepare CuCl₂ is

Precipitation

Acid react with excess insoluble base/carbonate/metal

Titration

3. Which of the following pair of reagents is suitablefor forming CuCl₂?

Hydrochloric acid and excess copper

Hydrochloric acid and excess copper (II) oxide

Hydrochloric acid and excess copper nitrate

4. A student was given a sample of FeO was was asked to use this to prepare a sample of Fe(NO₃)₂. Which should be his best course of action?

React excess FeO with sodium nitrate solution.

Dissolve given FeO in water and carry out titration using nitric acid.

React excess FeO with nitric acid.

5. Which of the following will not work for making AgCl?

Precipitation using silver sulfate and calcium chloride

Precipitation using silver nitrate and potassium chloride

Precipitation using sliver nitrate and zinc chloride

6. Which of the following procedures is suitable for forming PbBr₂, lead(II) bromide? Note: HBr is hydrogen bromide Note: HBr is hydrogen bromide, an acid.

React HBr with lead (II) carbonate

React HBr with lead (II) nitrate

Titrate HBr with lead (II) hydroxide

7. Which of the following procedures is correct for the preparation of ammonium nitrate, NH₄NO₃?

Dissolve excess ammonia in nitric acid, followed by filtration, evaporation, crystallization

Titrate ammonia with nitric acid, followed by evaporation, crystallization.

Titrate ammonium chloride with nitric acid, followed by evaporation, crystallization

8. Which method is best for making CaCO₃?

Precipitation using calcium nitrate and potassium carbonate

Precipitation using calcium nitrate and magnesium carbonate

Precipitation using calcium hydroxide and potassium carbonate

9. Which of the following procedures is suitable for forming ammonium chloride, NH₄Cl?

Titrate hydrochloric acid with ammonia

Titrate hydrochloric acid with ammonium nitrate

React hydrochloric acid with excess ammonia

10. Which pair of reactants is not suitable for making silver nitrate salt? 1. Nitric acid and excess silver carbonate 2. Nitric acid and excess silver 3. Nitric acid and excess silver chloride

1 and 3

2 and 3

2 only

Salt Preparation

1. CuCl2, copper (II) chloride, is

2.

What first name or nickname would you like us to use?

2. The method to prepare CuCl2 is

3. Which of the following pair of reagents is suitablefor forming CuCl2?

4. A student was given a sample of FeO was was asked to use this to prepare a sample of Fe(NO3)2. Which should be his best course of action?