Mercury Compounds and Their Properties

The video explores the solubility of mercury(I) chloride (Hg2Cl2) in water, explaining its unique structure as a polyatomic ion and its insolubility due to specific solubility rules. It contrasts this with mercury(II) chloride (HgCl2), which is soluble. The video concludes with a recap of these concepts.

What is the common name for Hg2Cl2?

• Silver chloride

• Mercury two chloride

• Mercury one chloride

• Lead chloride

How can Hg2 2+ be best described?

• A single mercury ion

• A polyatomic ion

• A lead ion

• A chloride ion

Which of the following is generally soluble in water?

• Lead chloride

• Chlorides in general

• Silver chloride

• Mercury one chloride

Which ion is an exception to the solubility of chlorides?

• Calcium ion

• Sodium ion

• Mercury one ion

• Potassium ion

What is the solubility status of mercury one chloride in water?

• Partially soluble

• Highly soluble

• Insoluble

• Soluble

What is the charge on the mercury ion in mercury two chloride?

• Two plus

• One plus

• Three plus

• Zero

Which mercury chloride is soluble in water?

• Both are soluble

• Both are insoluble

• Mercury two chloride

• Mercury one chloride

What is the charge on each mercury atom in Hg2Cl2?

• Three plus

• One plus

• Two plus

• Zero

What is the overall charge of the Hg2 2+ ion?

• Zero

• One plus

• Two plus

• Three plus

Which chloride compound is not an exception to the solubility rule?

• Silver chloride

• Lead chloride

• Mercury one chloride

• Mercury two chloride