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11
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CHEMICAL REACTIONS
Chapter 11 Review Package - Part 2
Chapter Test B
A. Matching
Match each term in Column B with the correct description in Column A. Write the
letter of the correct term on the line.
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Column A
Column B
________ 1. a reaction in which an element or compound
reacts with oxygen, often producing energy in
the form of heat or light
a. decomposition reaction
________ 2. a reaction in which two or more substances
react to form a single substance
b. activity series
________ 3. an equation that indicates only those particles
that actually take part in the reaction
c. spectator ions
________ 4. a substance that speeds up a reaction without
being used up
d. balanced equation
________ 5. ions that are not directly involved in a reaction
e. double-replacement reaction
________ 6. a reaction in which a single compound is
broken down into two or more products
f. catalyst
________ 7. an equation in which each side has the same
number of atoms of each element
g. combustion reaction
________ 8. a reaction in which atoms of an element replace
the atoms of a second element in a compound
h. combination reaction
________ 9. a list of metals in order of decreasing reactivity
i. net ionic equation
________ 10. a reaction that involves an exchange of positive
ions between two compounds
j. single-replacement reaction
B. Multiple Choice
Choose the best answer and write its letter on the line.
________ 11. In the chemical equation 2H2O2(aq)
a. reactant.
b. product.
MnO2
2H2O(l) O2(g), the MnO2 is a:
c. spectator ion.
d. catalyst.
KJH
________ 12. When the equation Mg(s) HCl(aq) y MgCl2(aq) H2(g) is balanced,
what is the coefficient for HCl?
a. 1
c. 3
b. 2
d. 4
Chapter 11 Chemical Reactions
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________ 13. The reaction in question 12 is an example of a:
a. combination reaction.
c. single-replacement reaction.
b. decomposition reaction.
d. double-replacement reaction.
________ 14. When the equation Fe(s) O2(g) y Fe2O3(s) is balanced, what is the
coefficient for Fe2O3?
a. 1
c. 3
b. 2
d. 4
________ 15. The reaction in question 14 is an example of a:
a. combination reaction.
c. single-replacement reaction.
b. decomposition reaction.
d. double-replacement reaction.
________ 16. Which binary compound decomposes to form K I2?
a. KI2
c. K2I
b. KI
d. none of the above
________ 17. In order for the reaction Cu(s) 2AgNO3(aq) y Cu(NO3)2(aq) 2Ag(s)
to occur, which of the following must be true?
a. Cu must be above Ag in the activity series.
b. Ag must be above Cu in the activity series.
c. Cu must be above H in the activity series.
d. Ag must be above H in the activity series.
________ 18. Water is often a product in:
a. combination reactions.
b. decomposition reactions.
c. single-replacement reactions.
d. combustion reactions.
________ 20. The complete combustion of octane (C8H18) would:
a. require 25 O2(g).
c. produce 18 H2O(g).
b. produce 16 CO2(g).
d. all of the above
________ 21. Double-replacement reactions are generally driven by the formation of:
a. a precipitate.
c. water.
b. a gaseous product.
d. all of the above
________ 22. If butane (C4H10) undergoes complete combustion:
a. 8 CO2 is one product.
c. 9 O2 is one reactant.
b. 8 CO is one product.
d. 10 O2 is one reactant.
________ 23. When H2SO4(aq) and NaOH(aq) react by double-replacement:
a. 2 H2SO4(aq) are required.
c. 2 H2O(l) are produced.
b. 1 NaOH(aq) is required.
d. Na2SO4(s) is produced.
________ 24. Based on the activity series, the reaction that is most likely to occur
from among the following is:
a. Cu(s) HCl(aq) y
c. Pb(s) Na2SO4(aq) y
b. Zn(s) HNO3(aq) y
d. Ag(s) Cu(NO3)2(aq) y
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Core Teaching Resources
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________ 19. Among the elements listed, which one could replace all of the rest as
an ion from a compound in aqueous solution?
a. Cu
c. Fe
b. Ca
d. Ag
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________ 25. The spectator ions in the reaction ZnCl2(aq) 2LiOH(aq) y
2LiCl(aq) Zn(OH)2(s) are:
a. Zn and OH.
c. Li and OH.
b. Zn and Cl .
d. Li and Cl.
C. Problems
Solve the following problems in the space provided. Show your work.
26. Write a skeleton equation for the reaction in which aqueous sodium chloride
reacts with aqueous silver nitrate to produce aqueous sodium nitrate and solid
silver chloride.
27. Balance the following equations:
a. CS2(s) O2(g) y CO2(g) SO2(g)
b. HNO3(aq) Mg(OH)2(aq) y Mg(NO3)2(aq) H2O(l)
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c. Fe2O3(s) CO(g) y Fe(s) CO2(g)
28. Complete and balance each of the following reactions identified by type:
a. Combination reaction: Li2O(s) H2O(l ) y
b. Decomposition reaction: H2O(l )
electricity
JJJJH
c. Single-replacement reaction: Al(s) Fe(NO3)2(aq) y
d. Double-replacement reaction: HNO3(aq) Ca(OH)2(aq) y
e. Combustion reaction: C3H8(g ) O2(g ) y
Chapter 11 Chemical Reactions
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Date ___________________
Class __________________
29. Identify the spectator ions and write balanced net ionic equations for each of
the following reactions:
a. KOH(aq) HCl(aq) y KCl(aq) H2O(l)
b. Pb(NO3)2(aq) KI(aq) y PbI2(s) KNO3(aq)
c. ZnI2(aq) NaOH(aq) y NaI(aq) Zn(OH)2(s)
D. Essay
Write a short essay for the following.
30. Distinguish between the single- and double-replacement reactions indicated
below by completing each, identifying each as to type, and explaining, in words,
what has occurred in each. (E is a metal.)
AB CD y
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Core Teaching Resources
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E FG y