Solubility Rules of Salts

The video tutorial covers the solubility rules for various salts, including those of potassium, sodium, ammonium, nitrates, sulfates, chlorides, halides, carbonates, oxides, and hydroxides. It emphasizes the importance of memorizing these rules for identifying salts and understanding their behavior in water. Exceptions to general solubility rules are highlighted, such as the insolubility of certain sulfates and chlorides. The tutorial also provides mnemonic devices to aid in memorization.

Which of the following salts is always soluble in water?

• Calcium sulfate

• Potassium nitrate

• Lead chloride

• Silver bromide

What is the solubility status of lead sulfate in water?

• Insoluble

• Soluble

• Partially soluble

• Soluble in hot water only

Which of the following is a general rule for the solubility of nitrates?

• All nitrates are insoluble

• Nitrates are soluble only in cold water

• All nitrates are soluble

• Nitrates are soluble only in hot water

Which of the following is an exception to the solubility of sulfates?

• Lead sulfate

• Iron sulfate

• Zinc sulfate

• Potassium sulfate

Which of the following chlorides is insoluble in cold water but soluble in hot water?

• Lead chloride

• Ammonium chloride

• Sodium chloride

• Potassium chloride

Which of the following statements is true about the solubility of chlorides?

• Lead chloride is soluble in cold water

• All chlorides are insoluble

• Silver chloride is insoluble in water

• Mercury chloride is soluble in water

Which of the following carbonates is soluble in water?

• Calcium carbonate

• Potassium carbonate

• Iron carbonate

• Zinc carbonate

Which oxide is considered soluble in water?

• Potassium oxide

• Calcium oxide

• Zinc oxide

• Aluminum oxide

What is the solubility status of ammonium hydroxide in water?

• Partially soluble

• Soluble in hot water only

• Insoluble

• Soluble

Which of the following hydroxides is slightly soluble in hot water?

• Ammonium hydroxide

• Calcium hydroxide

• Sodium hydroxide

• Potassium hydroxide