Download Chemistry Section Review 7.2

Chemistry Section Review 7.2
Multiple Choice
Identify the choice that best completes the statement or answers the question. Put the LETTER of the correct answer in the
blank.
____
1. The oxidation number of fluorine is
a. always 0.
b. –1 in all compounds.
c. +1 in all compounds.
d. equal to the negative charge of all the metal ions in a compound.
____
2. What is the oxidation number of oxygen in most compounds?
a. –8
c. 0
b. –2
d. +1
____
3. What is the oxidation number of a pure element?
a. –1
c. +1
b. 0
d. 8
____
4. In a compound, the algebraic sum of the oxidation numbers of all atoms equals
a. 0.
c. 8.
b. 1.
d. the charge on the compound.
____
5. What is the oxidation number of hydrogen in compounds containing metals?
a. –1
c. +1
b. 0
d. the charge on the metal ion
____
6. In a polyatomic ion, the algebraic sum of the oxidation numbers of all atoms is equal to
a. 0.
c. 10.
b. the number of atoms in the ion.
d. the charge of the ion.
____
7. What is the oxidation number of oxygen in H2O2?
a. –2
c. +2
b. –1
d. –4
____
8. What is the oxidation number of hydrogen in KH?
a. –1
c. +1
b. 0
d. +2
____
9. What is the oxidation number of hydrogen in H2O?
a. 0
c. +2
b. +1
d. +3
____ 10. What is the oxidation number of sulfur in SO2?
a. 0
c. +2
b. +1
d. +4
____ 11. What is the oxidation number of sulfur in H2SO4?
a. –2
c. +4
b. 0
d. +6
____ 12. What is the oxidation number of oxygen in CO2?
a. –4
b. –2
c. 0
d. +4
____ 13. Name the compound N2O2 using the Stock system.
a. dinitrogen monoxide
c. nitrogen(II) oxide
b. nitrogen dioxide
d. nitrogen oxide(II)
____ 14. Name the compound SO2 using the Stock system.
a. sulfur(II) oxide
c. sulfur dioxide
b. sulfur(IV) oxide
d. sulfur oxide
____ 15. Name the compound CCl4 using the Stock system.
a. carbon(IV) chloride
c. carbon chloride
b. carbon tetrachloride
d. carbon hypochlorite
____ 16. Name the compound H2O using the Stock system.
a. water
c. hydrogen(I) oxide
b. hydrogen dioxide
d. hydrogen(II) oxide
____ 17. Name the compound CO2 using the Stock system.
a. carbon(IV) oxide
c. monocarbon dioxide
b. carbon dioxide
d. carbon oxide
____ 18. Name the compound PBr5 using the Stock system.
a. potassium hexabromide
c. phosphorus(V) bromide
b. phosphorus(V) pentabromide
d. phosphoric acid