2. Solubility Product Principle MCQs

The solubility product (Ksp) applies to:

Highly soluble salts

Sparingly soluble salts

Strong acids

Strong bases

The solubility product of a sparingly soluble salt A2B is 4.0 x 10-12 at 298 K. Its molar solubility is:

4.0 x 10-3

4.0 x 10-4

1.0 x 10-6

1.0 x 10-4

For Ag2S the relation between Ksp and solubility s is:

Ksp = 4s2

Ksp = 4s3

Ksp = 108s5

Ksp = s2

For a sparingly soluble salt with a molecular formula of A2B3 the expression for Ksp is:

2s5

108s5

5s2

4s3

The ionic product of Bi2S3 is:

[Bi3+]2[S2-]3

[Bi3+]2[S2-]4

[Bi3+]2[S2-]6

[Bi3+]2[S2-]8

Ksp is equal to the ionic product in:

Dilute solution

Saturated solution

Unsaturated solution

Supersaturated solution

If the solubility of Bi2S3 is S its solubility product will be:

8S2

27s3

108s

108S5