Ionic Reactions Logs: Chapter 4
Due Wednesday 9/15 before the Test
Vocabulary:
Acid anhydride
Base anhydride
Electrolyte
Nonelectrolyte
Molecular equation
Net ionic equation
Neutralization reaction
Oxidation
Reduction
Spectator ion
Strong acid
Weak acid
Multiple Choice Practice:
1. The net ionic equation for the reaction of cobalt (II) chloride and carbonic acid contains
which of the following species?
a CoCO3 (s)
b. H+
c. 2CoCO3
d. 2Cle. two of these
2. Which of the following is a strong acid?
a. HCNO
b. HBr
c. HF
d. HNO2
e. HCN
d. NaOH
e. Sr(OH)2
3. Which of the following is paired incorrectly?
a. HI – strong acid
b. HNO3 – weak acid
c. Ba(OH)2 – strong base
d. HBr - strong acid
e. H2SO3 – weak acid
4. All of the following are strong bases except:
a. Ca(OH)2
b. KOH
c. NH3
5. -7. Aqueous solutions of sodium chloride and silver nitrate are mixed
5. This type of reaction is
a. acid-base b. precipitation
c. gas formation
6. The spectator ions in this reaction is (are):
a. only Na+ b. Ag+ and Clc. only Ag+
d. redox
e. hydrolysis
d. only NO3- e. Na+ and NO3-
7. The net ionic equation contains which of the following terms?
a. Ag+
b. Na+
c. NO3d. 2NO3-
e. none of these
8. The following reactions are examples of:
2K(s) + Br2 (l)  2KBr
Hg2(NO3)2 + 2 LiCl  Hg2Cl2 + 2 LiNO3
HCl + KOH  H2O + KCl
a. precipitation reactions
b. redox, precipitation, and acid-base
c. precipitation (two) and acid-base reactions
d. redox reactions
9. Which of the following salts is insoluble in water?
a. Na2S
b. K3PO4
c. Pb(NO3)2
d. CaCl2
e. all of these are soluble
10. In which of the following does nitrogen have an oxidation state of +4?
a. HNO3
b. NO2
c. N2O
d. NH4Cl
e. NaNO2
11. In the reaction 2 Ca + O2  2CaO, which specie is oxidized?
a. O2
b. O2c. Ca
d. Ca2+
12. CaO in the above reaction is known as a:
a. oxidizing agent
b. acid anhydride
e. none of these
c. reducing agent
13. In the reaction C + O2 CO2 , carbon is
a. the reducing agent b. the electron pair acceptor c. reduced
d. base anhydride
d. the oxidizing agent
14. Given the following reaction in acidic media:
Fe3+ + I-  Fe2+ + I2
In the balanced equation, the coefficient of Fe2+ is
a. 1
b. 2
c. 3
d. 4
e. none of these
15. The products formed when sulfite ions are oxidized in an acidic environment are
a. sulfate ions
b. sulfur dioxide
c. sulfur trioxide
d. thiosulfate ions
1). Explain hydrolysis. Write a net ionic equation for a hydrolysis reaction with KF.
2). Write a balanced net ionic equation for the following reactions:
a. Sulfuric acid reacts with solid magnesium hydroxide.
b. An aqueous solution of potassium chloride is mixed with aqueous silver
nitrate.
c. Aqueous sodium hydroxide is mixed with aqueous magnesium chloride.
d. Solid copper (II) carbonate is added to hydrochloric acid.
e. Dinitrogen trioxide gas is bubbled into water.
3). Write a balanced net ionic equation for the following reactions:
a. potassium permanganate solution is added to concentrated hydrochloric acid
manganese (II) ions and chlorine gas is produced
b. potassium dichromate solution is added to an acidified solution of sodium sulfite,
chromium (III) ions and sulfate ions are produced
c. a solution of tin (II) sulfate is added to a solution of iron (III) sulfate to produce
tin (IV) ions and iron metal.
d. liquid bromine is added to a solution of potassium iodide