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Net Ionic Equations and Solubility

Total questions: 18

Worksheet time: 59mins

Name
Class
Date
1.
What is the result of the reaction between potassium bromide and ammonium sulfide?
a)
potassium sulfide precipitates
b)
ammonium bromide precipitates
c)
potassium ammonium precipitates
d)
no precipitate is formed
2.
What is the name of the precipitate formed in the reaction of calcium sulfide and aluminum nitrate
a)
calcium nitrate
b)
aluminum sulfide
c)
no ppt is formed
d)
aluminum nitrate
3.

Identify the complete ionic reaction for products of this reaction: (final answer is not balanced)

HCl + Mg(OH)2

a)

→ MgCl2 + H2O(l)

b)

→ Mg2+ + Cl-1 + H2O(l)

c)

→ Mg2+ + Cl-1 + H+1 + O2-

d)

→ MgCl2 + H2O(l) + CO2(g)

4.

What is the net ionic equation for the reaction between K3PO4 (aq) and CuSO4 (aq)

a)

2 K+(aq) + SO42-(aq) → K2SO4 (s)

b)

K+(aq) + SO42-(aq) → KSO4 (s)

c)

2 Cu2+(aq) + 3 PO43-(aq) → Cu3(PO4)2 (s)

d)

Cu2+(aq) + PO43-(aq) → CuPO4 (s)

5.

What is the net ionic equation for the reaction between K3PO4 (aq) and CuSO4 (aq)

a)

2 K+(aq) + SO42-(aq) → K2SO4 (s)

b)

K+(aq) + SO42-(aq) → KSO4 (s)

c)

2 Cu2+(aq) + 3 PO43-(aq) → Cu3(PO4)2 (s)

d)

Cu2+(aq) + PO43-(aq) → CuPO4 (s)

6.

Which of the following compounds is SOLUBLE?

a)

copper carbonate

b)

calcium carbonate

c)

potassium carbonate

d)

strontium carbonate

7.

In writing the chemical equation for a precipitation reaction, what abbreviation of the physical state must appear with one of the products?

a)

(s)

b)

(g)

c)

(l)

d)

(w)

8.

Considering the following precipitation reaction:

Pb(NO3)2(aq) + 2KI(aq) → PbI2(s) + 2KNO3(aq)

What is the correct complete ionic equation?

a)

Pb2+ + (NO3)2- + 2K+ + 2I- → PbI2(s) + 2K+ + 2NO3-

b)

Pb2+ + 2NO3- +2K+ + I- → PbI2(s) + 2K+ + NO3-

c)

Pb2+ + 2NO3- + 2K+ + 2I- → PbI2(s) + 2K+ + 2NO3-

d)

Pb2+ + 2NO3- + 2K+ + 2I- → Pb2+ + 2I- + 2K+ + 2NO3-

9.

Which of the following compounds is INSOLUBLE?

a)

magnesium phosphate

b)

magnesium sulfate

c)

magnesium iodide

d)

magnesium nitrate

e)

none of the above

10.
What are the spectator ions in this reaction?
CuCl2(aq) + NaOH(aq) → Cu(OH)2(s) + NaCl(aq)
 
a)
Cu2+ and OH1-
b)
Na2+ and Cl2-
c)
Na1+ and Cl1-
d)
Na1+ and OH1-
11.
Which is the correct net ionic equation for the reaction of AgNO3 and CaCl2?
a)
Ca2+(aq) +  2Cl- (aq) → CaCl(s)
b)
Ag+(aq)  +  Cl- (aq) → AgCl(s)
c)
Ag +  Cl  →  AgCl
d)
Ag+  +  Ca2+   →Ag2Ca (s)
12.

In this equation,

CuCl2+ NaOH → Cu(OH)2 + NaCl

Which product is insoluble?

a)

copper(II) hydroxide

b)

sodium chloride

c)

sodium hydroxide

d)

copper(I) hydroxide

13.
Zinc Carbonate
a)
Soluble 
b)
Insoluble 
14.
Silver acetate
a)
Soluble 
b)
Insoluble
15.
KOH
a)
Soluble 
b)
Insoluble
16.

Which ones are always soluble? You may select more than one answer.

a)

Nitrates

b)

Phosphates

c)

Carbonates

d)

acetates

e)

metals in group 1

17.

If magnesium phosphate is produced will it be soluble or a precipitate according to the solubility rules?

a)

Soluble

b)

Insoluble

18.

What is the net ionic equation for the reaction between K3PO4 (aq) and CuSO4 (aq)

a)

2 K+(aq) + SO42-(aq) → K2SO4 (s)

b)

K+(aq) + SO42-(aq) → KSO4 (s)

c)

2 Cu2+(aq) + 3 PO43-(aq) → Cu3(PO4)2 (s)

d)

Cu2+(aq) + PO43-(aq) → CuPO4 (s)