Solubility Principles and Exceptions

The video tutorial explains the rules of solubility in chemistry, focusing on how different ions and compounds dissolve in water. It covers the solubility of Group 1 and ammonium compounds, sulfates, carbonates, phosphates, halides, hydroxides, and sulfides, highlighting exceptions and special cases. The tutorial aims to clarify the confusion around solubility rules taught in schools, providing a comprehensive understanding of how these rules apply to various chemical reactions.

What are the three main processes discussed in the introduction that relate to solubility?

• Dissociation, ionization, dissolution

• Sublimation, deposition, freezing

• Precipitation, evaporation, condensation

• Oxidation, reduction, combustion

Which group of cations always forms soluble compounds?

• Lanthanides

• Transition metals

• Group two cations

• Group one cations

Under what condition do sulfates and carbonates dissolve?

• When in acidic solutions

• When paired with ever-soluble ions

• When heated

• When paired with any cation

Which of the following ions form soluble compounds with all cations?

• Fluorates

• Carbonates

• Sulfates

• Phosphates

Which cations are exceptions to the solubility of nitrates?

• Silver, lead, mercury

• Calcium, barium, strontium

• Sodium, potassium, lithium

• Iron, copper, zinc

What is a common exception to the solubility of chlorides?

• When bonded with group one cations

• When bonded with silver, lead, or mercury

• When in the presence of oxygen

• When in basic solutions

Which halides are usually soluble?

• Bromides, iodides, fluorides

• Iodides, fluorides, chlorides

• Fluorides, chlorides, bromides

• Chlorides, bromides, iodides

Which hydroxides are known to be soluble?

• Those of carbon, nitrogen, and oxygen

• Those of iron, copper, and zinc

• Those of calcium, barium, and strontium

• Those of silver, lead, and mercury

What is the solubility behavior of sulfites with group 2A elements?

• They react violently

• They form precipitates

• They dissolve

• They are insoluble

Which group of metals shows solubility with sulfides?

• Halogens

• Noble gases

• Transition metals

• Alkali metals and alkaline earths