Grade 12 Chemistry: Solubility Rules Worksheet
A comprehensive worksheet for Grade 12 Chemistry students covering solubility rules, precipitation reactions, and predicting products.
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Grade 12 Chemistry: Solubility Rules
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Read each question carefully and answer to the best of your ability. Use your knowledge of solubility rules to predict the outcomes of chemical reactions.
1. Which of the following compounds is generally soluble in water?
AgCl
BaSO₄
KNO₃
PbI₂
2. Which of the following ions typically forms insoluble compounds with most anions?
Na⁺
NH₄⁺
Ag⁺
K⁺
3. All nitrates are in water.
4. Most sulfates are soluble, except for those containing Group 2 elements like Ba²⁺, Sr²⁺, and .
5. Compounds containing carbonate ions (CO₃²⁻) are generally insoluble, with the exception of those with Group 1 metals and .
6. All chlorides are soluble in water.
True
False
7. Sodium compounds are always soluble.
True
False
8. Predict whether a precipitate will form when aqueous solutions of lead(II) nitrate and potassium iodide are mixed. If so, write the net ionic equation for the precipitation reaction.
9. Explain why some ionic compounds are soluble in water while others are not, referencing the forces involved.
Match the compound with its solubility in water.
10. CaCO₃
a. Soluble
11. NaOH
b. Insoluble
12. Fe(OH)₃
c. Slightly soluble