Self assessment
Question 1 of 5
What is the solubility equilibrium expression for iron(II) hydroxide, Fe(OH)2?
A
Fe(OH)2(s) Fe2+(aq) + OH–(aq)
B
Fe(OH)2(s) Fe2+(aq) + 2OH–(aq)
C
Fe(OH)2 Fe2+ + 2OH–
D
K sp = [Fe2+(aq)] [OH–(aq)]2
What factors affect the value of a solubility product?
A
The salt that is dissolved in solution.
B
The amount of solid added to solution.
C
The volume of water to which the solid is added.
D
The temperature of the solution.
What are the units for the solubility product of bismuth(II) sulfide, Bi2S3?
A
mol2 dm–3
B
mol3 dm–2
C
mol5 dm–5
D
mol5 dm–15
The values of the solubility products of silver halides are:
AgCl: 2 x 10–10 mol2 dm–6; AgBr: 5.0 x 10–13 mol2 dm–6; AgI: 8.0 x 10–17 mol2 dm–6
In what order will the halides be precipitated if silver nitrate solution is added to an equimolar mixture of halide ions?
A
AgCl followed by AgBr followed by AgI.
B
AgI followed by AgBr followed by AgCl.
C
AgBr followed by AgCl followed by AgI.
D
AgBr followed by AgI followed by AgCl.
What is the solubility product expression for a sparingly soluble salt with the formula AxBy?
A
K sp = [A+] [B–]
B
K sp = [Ax+] [By–]
C
K sp = [Ay+]x [Bx–]y
D
K sp = [Ax+]y [By–]x