Solubility Rules and Hydroxide Salts

The video explores the solubility of nickel 2 hydroxide (NiOH2) in water, concluding that it is slightly soluble. Solubility rules indicate that most hydroxide salts are only slightly soluble, with exceptions for group 1 elements and ammonium ions. Experimental data shows a solubility of 0.13 grams per liter for nickel 2 hydroxide. The video emphasizes the importance of understanding solubility rules and provides a brief overview of how to interpret experimental data. The abbreviation 'ss' is used for slightly soluble substances.

What is the solubility status of Nickel 2 Hydroxide in water?

• Insoluble

• Highly soluble

• Slightly soluble

• Completely insoluble

Which group of elements are exceptions to the general solubility rules for hydroxide salts?

• Group 1 elements

• Noble gases

• Transition metals

• Group 2 elements

Which ion is an exception to the solubility rules for hydroxide salts?

• Carbonate ion

• Ammonium ion

• Sulfate ion

• Nitrate ion

What is the general solubility rule for most hydroxide salts?

• They are highly soluble

• They are completely insoluble

• They are slightly soluble

• They are insoluble

Why is it useful to memorize solubility rules?

• To understand the solubility of different compounds

• To predict the color of compounds

• To calculate the density of compounds

• To determine the melting point of compounds

What is the solubility of Nickel 2 Hydroxide in water according to experimental data?

• 0.13 grams per liter

• 1.3 grams per liter

• 13 grams per liter

• 0.013 grams per liter

What does the abbreviation 'ss' stand for in the context of solubility?

• Soluble solution

• Slightly soluble

• Super soluble

• Solubility standard