Solubility Rules and Precipitation Reactions

What does it mean for a compound to be insoluble?

• An insoluble compound does not dissolve significantly in water, often forming a precipitate.

• An insoluble compound dissolves completely in water.

• An insoluble compound can be easily filtered from a solution.

• An insoluble compound reacts vigorously with water.

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Which compound is soluble: copper carbonate, calcium carbonate, potassium carbonate, or strontium carbonate?

• Copper carbonate

• Calcium carbonate

• Potassium carbonate

• Strontium carbonate

What does it mean for a compound to be soluble?

• A soluble compound is one that dissolves in water, forming a homogeneous solution.

• A soluble compound is one that can be easily identified by its color.

• A soluble compound is one that reacts violently with water.

• A soluble compound is one that has a high melting point.

What is the solubility of lead(II) iodide (PbI2) in water?

• Lead(II) iodide (PbI2) is soluble in water.

• Lead(II) iodide (PbI2) is partially soluble in water.

• Lead(II) iodide (PbI2) is insoluble in water.

• Lead(II) iodide (PbI2) dissolves completely in water.

What is the significance of solubility rules in chemistry?

• They help predict the outcomes of chemical reactions, especially in aqueous solutions.

• They determine the color of chemical compounds.

• They are used to measure the temperature of solutions.

• They indicate the speed of chemical reactions.

What is the general rule for the solubility of nitrates (NO3-) in water?

• Nitrates are generally insoluble in water.

• Nitrates are generally soluble in water.

• Nitrates are only soluble at high temperatures.

• Nitrates are soluble in organic solvents.

What is the solubility of calcium carbonate (CaCO3) in water?

• Calcium carbonate (CaCO3) is highly soluble in water.

• Calcium carbonate (CaCO3) is moderately soluble in water.

• Calcium carbonate (CaCO3) is insoluble in water.

• Calcium carbonate (CaCO3) dissolves completely in water.

What is the role of a precipitate in a precipitation reaction?

• The precipitate is the solid that forms and separates from the solution during a precipitation reaction.

• The precipitate is a liquid that dissolves in the solution.

• The precipitate is a gas that escapes from the solution.

• The precipitate is a catalyst that speeds up the reaction.

What are solubility rules?

• Guidelines for predicting the dissolution of ionic compounds in water.

• Rules for balancing chemical equations.

• Instructions for performing titration experiments.

• Standards for measuring the pH of solutions.

How can you determine if a compound is soluble or insoluble?

• By consulting solubility rules or conducting experiments to test the compound's behavior in water.

• By checking the compound's color and odor.

• By measuring the compound's melting point.

• By observing the compound's reaction with acids.