Solubility of Hydroxide Salts

The video explores the solubility of lead hydroxide (Pb(OH)2) in water, concluding that it is slightly soluble. The presenter uses solubility rules to explain that most hydroxide salts are only slightly soluble, with exceptions for some group 1 elements and the ammonium ion. Experimental data is reviewed, showing that only 0.0155 grams of Pb(OH)2 dissolve in 100 milliliters of water, confirming its slight solubility. The video concludes with a summary of the findings.

What is the solubility status of lead(II) hydroxide in water?

• Highly soluble

• Slightly soluble

• Completely soluble

• Insoluble

Which of the following is a general rule for the solubility of hydroxide salts?

• Hydroxide salts are insoluble

• Hydroxide salts are completely soluble

• Most hydroxide salts are slightly soluble

• All hydroxide salts are highly soluble

Which elements are exceptions to the general solubility rule for hydroxide salts?

• Group 2 elements

• Transition metals

• Group 1 elements and ammonium ion

• Noble gases

What is the solubility of lead(II) hydroxide in water as per the experimental data?

• 1.55 grams per 100 milliliters

• 0.155 grams per 100 milliliters

• 0.0155 grams per 100 milliliters

• 15.5 grams per 100 milliliters

How is the solubility of lead(II) hydroxide abbreviated?

• CS for completely soluble

• HS for highly soluble

• IS for insoluble

• SS for slightly soluble

What does the experimental data suggest about the amount of lead(II) hydroxide that dissolves in water?

• A large amount dissolves

• Very little dissolves

• None dissolves

• A moderate amount dissolves