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Molecular, Complete and Net Ionic Equations

Total questions: 60

Worksheet time: 5hrs 27mins

Name
Class
Date
1.

Identify 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)

2.

In this equation,

CuCl2+ NaOH → Cu(OH)2 + NaCl

Identify the insoluble product?

a)

copper(II) hydroxide

b)

sodium chloride

c)

sodium hydroxide

d)

copper(II) chloride

3.

Identify 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-

4.
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
5.

Define: Solubility

a)

What is dissolved

b)

What does the dissolving

c)

A measure of how much solute can dissolve in solvent

d)

a charged ion

6.

What are the spectator ions in the reaction of sodium chloride with silver nitrate?

a)

silver and nitrate

b)

sodium and chlorine

c)

sodium and nitrate

d)

silver and chlorine

7.

Define: Net Ionic Equation

a)

a balanced chemical equation in which all the reactants and products are given by their chemical formulae.

b)

a chemical equation that shows all soluble species broken into their respective ions.

c)

a chemical equation showing only the species which are actively involved in the reaction.

8.

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)

9.

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)

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.
Based on the activity series, which metal could X represent in the reaction below?
X + Ca (NO3)2 -->  Ca + X (NO3)2
a)
Ba
b)
Fe
c)
Mg
d)
Zn
12.
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)
13.
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(II) chloride
14.
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-
15.
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)
16.
Which of these results in formation of a precipitate?
a)
BaNO3(aq)  +  NaCl(aq)→
b)
KNO3(aq)  +  LiOH(aq)→
c)
Zn(NO3)2(aq)  +  NaOH(aq)→
d)
NaNO3(aq)  +  Ba(OH)2(aq)→
17.
Which of the following does NOT form a precipitate?
a)
Pb(NO3)2(aq) + 2KI(aq) →
b)
Sr(NO3)2 (aq) + K2SO4(aq) →
c)
AgNO3(aq) + Na2S(aq) →
d)
 Pb(NO3)2(aq) + AgNO3(aq) →
18.

What is the correct net ionic equation for the reaction between HBr(aq) and LiOH(aq)?

a)

2 H+(aq) + O2-(aq) → H2O(l)

b)

2 H2 (aq) + O2(aq) → 2 H2O(l)

c)

2 H2 (g) + O2(g) → 2 H2O(l)

d)

H+(aq) + OH-(aq) → H2O(l)

19.
Which of these lists contains only soluble substances? Don't forget that the halides (family 17) will form precipitates with Ag+, Pb2+ and Hg2+.
a)
sodium nitrate, potassium chloride, calcium carbonate
b)
lead nitrate, lead chloride, lead sulfate
c)
calcium nitrate, copper chloride, ammonium phosphate
d)
silver nitrate, barium sulfate, copper carbonate
20.
Which is the name of the kind of solid substance formed in this figure?  
a)
aqueous 
b)
precipitate
c)
acid
d)
synthesis 
21.

Complete the following reaction:

HCl + Mg(OH)2 →

a)

MgCl2 + H2O

b)

Mg +H2O

c)

MgCl2 + H2

d)

MgCl2 + H2O + CO2

22.

Which term refers this chemical equation describing potassium chloride in water?

KCl(s) → K+(aq) + Cl-(aq)

a)

dissociation

b)

precipitation

c)

displacement

d)

synthesis

23.

What is the correct net ionic equation for the reaction between HBr(aq) and LiOH(aq)?

a)

2 H+(aq) + O2-(aq) → H2O(l)

b)

2 H2 (aq) + O2(aq) → 2 H2O(l)

c)

2 H2 (g) + O2(g) → 2 H2O(l)

d)

H+(aq) + OH-(aq) → H2O(l)

24.

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)

25.

What is the correct net ionic equation for the reaction between HBr(aq) and LiOH(aq)?

a)

2 H+(aq) + O2-(aq) → H2O(l)

b)

2 H2 (aq) + O2(aq) → 2 H2O(l)

c)

2 H2 (g) + O2(g) → 2 H2O(l)

d)

H+(aq) + OH-(aq) → H2O(l)

26.
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(II) chloride
27.
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-
28.

Which of the following shows the correct net ionic equation for the reaction of Ba(MnO4)2(aq) + (NH4)2SO4?

a)

Ba2+ + SO42- --> BaSO4

b)

2NH4+ + 2MnO4- --> 2NH4MnO4

c)

Ba + MnO4- --> Ba(MnO4)2

d)

2MnO4- + SO42- --> BaSO4

29.

Which of the following shows the correct net ionic equation for Fe(NO3)2 + KOH

a)

Fe3+ + OH- --> Fe(OH)3

b)

Fe2+ + OH- --> Fe(OH)2

c)

2NO3- + 2K+ --> 2KNO3

d)

Fe2+ + 2OH- --> Fe(OH)2

30.

What is a Net Ionic Equation?

a)

a balanced chemical equation in which all the reactants and products are given by their chemical formulae.

b)

a chemical equation that shows all soluble species broken into their respective ions.

c)

a chemical equation showing only the species which are actively involved in the reaction.

31.
Based on the activity series, which metal could X represent in the reaction below?
X + Ca (NO3)2 -->  Ca + X (NO3)2
a)
Ba
b)
Fe
c)
Mg
d)
Zn
32.
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-
33.

Which is the correct net ionic equation for the reaction of Magnesium chloride and lead (II) nitrate?

a)

Mg2+(aq) + 2Cl- (aq) → MgCl2 (s)

b)

Pb+2(aq) + 2Cl- (aq) → PbCl2(s)

c)

Pb + Cl → PbCl

d)

Cl-(aq) + Pb(NO3)2 (s) →PbCl2 (s) + NO3+(aq)

34.

When mercury (II) nitrate and potassium iodide are combined, which of the following are spectator ions? Check all that apply.

a)

K+

b)

Hg+2

c)

(NO3)-

d)

I-

e)

Hg+

35.

Which of the following compounds is SOLUBLE?

a)

copper carbonate

b)

calcium carbonate

c)

potassium carbonate

d)

strontium carbonate

36.

What would be the formula of the precipitate that forms when Pb(NO3)2 (aq) and K2SO4 (aq) are mixed?

a)

K(NO3)2

b)

PbSO4

c)

PbK2

d)

H2O

37.

Which of the following compounds is INSOLUBLE?

a)

magnesium phosphate

b)

magnesium sulfate

c)

magnesium iodide

d)

magnesium nitrate

e)

none of the above

38.

Classify these salts into Soluble or Insoluble Salt :


NaCl

(a)  

39.

Classify these salts into Soluble or Insoluble Salt :


PbSO4

(a)  

40.

Classify these salts into Soluble or Insoluble Salt :


(NH4)2CO3

(a)  

41.

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-

42.
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
43.
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-
44.

Complete the balanced equation for this Double Replacement reaction.

3 NaOH + Fe(NO3)3 →

a)

NaFe + OH(NO3)3

b)

NaNO3 + Fe(OH)3

c)

3 NaNO3 + Fe(OH)3

d)

3 NaFe + 3 (OH)NO3

45.

Which is the correct net ionic equation for the reaction of AgNO3 and CaCl2?

a)

Ca2+(aq) + 2Cl1- (aq) → CaCl(s)

b)

2Ag+(aq) +2 Cl1- (aq) → 2AgCl(s)

c)

2Ag + Cl2 → 2AgCl

d)

Ag+ + Ca2+ →Ag2Ca (s)

46.

Which is the correct complete ionic equation for the reaction of AgNO3 and CaCl2?

a)
Ca2+(aq) +  2Cl- (aq) → CaCl(s)
b)

2Ag+(aq)  + 2NO3 (aq) +Ca+2(aq) + 2Cl- (aq)→ AgCl(s) + Ca+2(aq) + 2NO3- (aq)

c)

2Ag+(aq)  + 2NO3 (aq) +Ca+2(aq) + 2Cl- (aq)→ Ca(NO)3(s) + 2Ag+(aq) + 2Cl- (aq)

d)
Ag+  +  Ca2+   →Ag2Ca (s)
47.

What precipitate forms when you mix lead (II) nitrate with sodium chloride?

a)
sodium nitrate 
b)
lead (II) chloride 
c)
sodium lead
d)
chloride nitrate 
48.

What are the spectator ions in the reaction of sodium chloride with silver nitrate?

a)

silver ion and nitrate ion

b)

sodium ion and chloride ion

c)

sodium ion and nitrate ion

d)

silver ion and chloride ion

49.

Define: Net Ionic Equation

(species=different ion types)

a)

a balanced chemical equation in which all the reactants and products are given by their chemical formulae.

b)

a chemical equation that shows all soluble species broken into their respective ions.

c)

a chemical equation showing only the species which are actively involved in the reaction.

50.

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

HCl(aq) + Mg(OH)2 (aq)→

a)

2H+ (aq)+ Cl-(aq) +Mg2+(aq) +2OH-(aq)→ MgCl2 + H2O(l)

b)

2H+ (aq)+ Cl-(aq) +Mg2+(aq) +2OH-(aq)→ Mg2+(aq) + Cl-(aq) + H2O(l)

c)

2H+ (aq)+ Cl-(aq) +Mg2+(aq) +2OH-(aq)→ Mg2+ + Cl-1 + H+1 + O2-

d)

2H+ (aq)+ Cl-(aq) +Mg2+(aq) +2OH-(aq)→ MgCl2(s) + H2O(l) + CO2(g)

51.

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-
52.
Which of these lists contains only soluble substances?
a)
sodium nitrate, potassium chloride, calcium carbonate
b)
lead nitrate, lead chloride, lead sulfate
c)
calcium nitrate, copper chloride, ammonium phosphate
d)
silver nitrate, barium sulfate, copper carbonate
53.

Which term best describes solid potassium chloride being dissolved in water, as shown in the equation below?

KCl(s) → K+(aq) + Cl-(aq)

a)

dissociation

b)

precipitation

c)

displacement

d)

synthesis

54.

When mercury (II) nitrate and potassium iodide are combined, which of the following are spectator ions? Check all that apply.

a)

K+

b)

Hg+2

c)

(NO3)-

d)

I-

e)

Hg+

55.

Identify the spectator ions in this reaction.

CuCl2(aq) + NaOH(aq) → Cu(OH)2(s) + NaCl(aq)

a)

Cu2+ and OH-

b)

Na2+ and Cl2-

c)

Na+ and Cl-

d)

Na+ and OH-

56.

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 precipitate is formed

d)
aluminum nitrate
57.

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)

58.

What is the correct net ionic equation for the reaction between HBr(aq) and LiOH(aq)?

a)

2 H+(aq) + O2-(aq) → H2O(l)

b)

2 H2 (aq) + O2(aq) → 2 H2O(l)

c)

2 H2 (g) + O2(g) → 2 H2O(l)

d)

H+(aq) + OH-(aq) → H2O(l)

59.

Identify the type of chemical equation described as "equations that do not include spectator ions."

a)

Molecular equation

b)

Complete ionic equation

c)

Net ionic equation

60.

Identify the type of chemical equation described as "equations that show ions in aqueous solution as separate charged particles."

a)

Molecular equation

b)

Complete ionic equation

c)

Net ionic equation

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