Solubility of Iodides and Exceptions

The video tutorial explains how to determine the solubility of iodide compounds using a reference sheet. It covers the general solubility rules for salts of chlorine, bromine, and iodine, highlighting exceptions when combined with silver, lead, or mercury. The tutorial guides viewers through identifying soluble and insoluble compounds by applying these rules and exceptions.

What is the main focus of the solubility problem discussed?

• Solubility of chlorides

• Solubility of iodides

• Solubility of sulfates

• Solubility of nitrates

According to the solubility rules, which of the following is generally true for iodides?

• They react with water.

• They are soluble in water.

• They decompose in water.

• They are insoluble in water.

Which metal, when combined with iodide, makes the compound insoluble?

• Sodium

• Calcium

• Potassium

• Silver

Which of the following compounds would be insoluble due to the presence of lead?

• KI

• NaI

• PbI2

• LiI

Which of the following metals does NOT make iodides insoluble?

• Iron

• Mercury

• Lead

• Silver

Which of the following is NOT an exception to the solubility of iodides?

• Hg2

• Pb2

• Ag

• Na

How many of the first six compounds mentioned are soluble?

• Two

• Four

• None

• Six

What is the significance of the reference sheet in solving the solubility problem?

• It explains the history of chemical compounds.

• It lists all known elements.

• It provides a list of all chemical reactions.

• It contains the solubility rules and exceptions.

What should be noted when applying solubility rules?

• The temperature of the solution

• The exceptions to the rules

• The color of the compound

• The pH level of the solution