Solubility of Iron(III) Chloride

The video tutorial discusses the solubility of iron(III) chloride (FeCl3) in water. It confirms that FeCl3 is very soluble in water, dissociating into its ions. The video explores three methods to determine this: consulting solubility rules, using a solubility chart, and practical observation. Solubility rules indicate that chloride compounds are generally soluble, with few exceptions, and iron is not one of them. The solubility chart confirms FeCl3's solubility, and practical observation shows that FeCl3 dissolves in water, forming an aqueous solution.

What is the solubility status of Iron(III) Chloride (FeCl3) in water?

• Slightly soluble

• Not enough information

• Insoluble

• Very soluble

According to solubility rules, which of the following ions does not make chloride compounds insoluble?

• Iron

• Silver

• Lead

• Mercury

What does the solubility chart indicate about FeCl3?

• It is soluble in water

• It forms a precipitate

• It is insoluble in water

• It reacts with water

What is the charge on the iron ion in FeCl3?

• 4+

• 3+

• 2+

• 1+

How many chloride ions are present in Iron(III) Chloride?

• Three

• Two

• One

• Four

What does the 's' in the solubility chart stand for regarding FeCl3?

• Suspended

• Saturated

• Soluble

• Solid

What observation would you expect when FeCl3 crystals are added to water?

• They change color

• They form a solid layer

• They dissolve completely

• They remain undissolved

Which method is NOT mentioned as a way to determine the solubility of FeCl3?

• Practical observation

• Using a solubility chart

• Conducting a chemical reaction

• Using solubility rules

What is the primary method to confirm the solubility of FeCl3 in a practical setting?

• Heating the solution

• Observing the dissolution in water

• Mixing with another compound

• Measuring pH change