Cobalt II Nitrate and Ions

The video explores the solubility of cobalt 2 nitrate in water, concluding that it is soluble. This is determined using solubility rules, particularly focusing on nitrate ions, which are generally soluble. The video explains the dissociation process of cobalt 2 nitrate in water, resulting in cobalt ions and nitrate ions. The video concludes with a confirmation of the solubility of cobalt 2 nitrate.

What is the solubility status of cobalt II nitrate in water?

• Partially soluble

• Soluble

• Depends on temperature

• Insoluble

Which ion's presence in a compound generally indicates solubility in water?

• Nitrate ion

• Carbonate ion

• Chloride ion

• Sulfate ion

What charge does the nitrate ion carry?

• 2+

• 1+

• 2-

• 1-

When cobalt II nitrate dissolves in water, what ions are formed?

• Cobalt II ions and chloride ions

• Cobalt III ions and nitrate ions

• Cobalt II ions and nitrate ions

• Cobalt II ions and sulfate ions

What is the charge on the cobalt ion when cobalt II nitrate dissociates in water?

• 1-

• 3+

• 2+

• 1+