Ch.1 The Chemical World Complete Test Bank - MCQ Test Bank | Introductory Chemistry - 2nd Edition by Burdge and Driessen by Julia Burdge, Michelle Driessen. DOCX document preview.

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Ch.1 The Chemical World Complete Test Bank

Student name:__________

MULTIPLE CHOICE - Choose the one alternative that best completes the statement or answers the question.
1)

Balance the following equation:

B2O3(s) + HF(l) → BF3(g) + H2O(l)


A) B2O3(s) + 6HF(l) → 2BF3(g) + 3H2O(l)
B) B2O3(s) + H6F6 (l) → B2F6(g) + H6O3(l)
C) B2O3(s) + 2HF(l) → 2BF3(g) + H2O(l)
D) B2O3(s) + 3HF(l) → 2BF3(g) + 3H2O(l)
E) B2O3(s) + 6HF(l) → 2BF3(g) + 6H2O(l)


2)

Balance the following equation:

UO2(s) + HF(l) → UF4(s) + H2O(l)


A) UO2(s) + 2HF(l) → UF4(s) + H2O(l)
B) UO2(s) + 4HF(l) → UF4(s) + 2H2O(l)
C) UO2(s) + H4F4(l) → UF4(s) + H4O2(l)
D) UO2(s) + 4HF(l) → UF4(s) + 4H2O(l)
E) UO2(s) + 8HF(l) → 2UF4(s) + 4H2O(l)


3)

Balance the following equation for the combustion of benzene:

C6H6(l) + O2(g) → H2O(g) + CO2(g)


A) C6H6(l) + 9O2(g) → 3H2O(g) + 6CO2(g)
B) C6H6(l) + 9O2(g) → 6H2O(g) + 6CO2(g)
C) 2C6H6(l) + 15O2(g) → 6H2O(g) + 12CO2(g)
D) C6H6(l) + 15O2(g) → 3H2O(g) + 6CO2(g)
E) 2C6H6(l) + 9O2(g) → 6H2O(g) + 12CO2(g)


4)

Balance the following equation:

C8H18O3(l) + O2(g) → H2O(g) + CO2(g)


A) C8H18O3(l) + 8O2(g) → 9H2O(g) + 8CO2(g)
B) C8H18O3(l) + 11O2(g) → 9H2O(g) + 8CO2(g)
C) 2C8H18O3(l) + 22O2(g) → 9H2O(g) + 16CO2(g)
D) C8H18O3(l) + 13O2(g) → 18H2O(g) + 8CO2(g)
E) 2C8H18O3(l) + 17O2(g) → 18H2O(g) + 16CO2(g)


5)

Balance the following equation:

Ca3(PO4)2(s) + SiO2(s) + C(s) → CaSiO3(s) + CO(g) + P4(s)


A) Ca3(PO4)2(s) + 3SiO2(s) + 8C(s) → 3CaSiO3(s) + 8CO(g) + P4(s)
B) Ca3(PO4)2(s) + 3SiO2(s) + 14C(s) → 3CaSiO3(s) + 14CO(g) + P4(s)
C) Ca3(PO4)2(s) + 3SiO2(s) + 8C(s) → 3CaSiO3(s) + 8CO(g) + 2P4(s)
D) 2Ca3(PO4)2(s) + 6SiO2(s) + 10C(s) → 6CaSiO3(s) + 10CO(g) + P4(s)
E) 2Ca3(PO4)2(s) + 6SiO2(s) + 10C(s) → 6CaSiO3(s) + 10CO(g) + 4P4(s)


6)

What is the coefficient of H2O when the following equation is properly balanced with the smallest set of whole numbers?

___ Na + ___ H2O → ___ NaOH + ___ H2


A) 1
B) 2
C) 3
D) 4
E) 5


7)

What is the coefficient of H2O when the following equation is properly balanced with the smallest set of whole numbers?

___ Al4C3 + ___ H2O → ___ Al(OH)3 + ___ CH4


A) 3
B) 4
C) 6
D) 12
E) 24


8)

What is the coefficient of O2 when the following equation is properly balanced with the smallest set of whole numbers?

__ C2H4 + __ O2 → __ CO2 + __ H2O


A) 1
B) 2
C) 3
D) 4
E) 6


9)

When a chemical equation is balanced, it will have a set of whole number coefficients that cannot be reduced to smaller whole numbers. What is the coefficient for O2 when the following combustion reaction of a hydrocarbon is balanced?

___ C7H14 + ___ O2 → ___ CO2 + ___ H2O


A) 42
B) 21
C) 11
D) 10
E) None of these answers is correct.


10)

What is the coefficient preceding O2 when the following combustion reaction of a fatty acid is properly balanced using the smallest set of whole numbers?

__ C18H36O2 + __ O2 → __ CO2 + __ H2O


A) 1
B) 8
C) 9
D) 26
E) 27


11)

What is the coefficient of H2SO4 when the following equation is properly balanced with the smallest set of whole numbers?

___ Ca3(PO4)2 + ___ H2SO4 → ___ CaSO4 + ___ H3PO4


A) 3
B) 8
C) 10
D) 11
E) None of these answers is correct.


12)

What is the coefficient of H2O when the following equation is properly balanced with the smallest set of whole numbers?

___ PCl3(l) + ___ H2O(l) → ___ H3PO3(aq) + ___ HCl(aq)


A) 1
B) 2
C) 3
D) 5
E) None of these answers is correct.


13)

What is the coefficient of O2 when the following equation is properly balanced with the smallest set of whole numbers?

___ CH3OH + ___ O2 → ___ CO2 + ___ H2O


A) 1
B) 2
C) 3
D) 7
E) None of these answers is correct.


14)

Once the following equation is balanced with the smallest set of whole number coefficients, what is the sum of the coefficients? (Don't forget to include coefficients of one.)

__ SF4 + __ H2O → __ H2SO3 + __ HF


A) 4
B) 6
C) 7
D) 9
E) None of these answers is correct.


15)

Once the following equation is balanced with the smallest set of whole number coefficients, what is the sum of the coefficients? (Don't forget to include coefficients of one.)

___ Cr + ___ H2SO4 → ___ Cr2(SO4)3 + ___ H2


A) 4
B) 9
C) 11
D) 13
E) 15


16)

Once the following equation is balanced with the smallest set of whole number coefficients, what is the sum of the coefficients? (Don't forget to include coefficients of one.)

___ Al + ___ H2SO4 → ___ Al2(SO4)3 + ___ H2


A) 3
B) 5
C) 6
D) 9
E) 12


17)

Once the following equation is balanced with the smallest set of whole number coefficients, what is the sum of the coefficients? (Don't forget to include coefficients of one.)

___ CH4 + ___ Cl2 → ___ CCl4 + ___ HCl


A) 4
B) 6
C) 8
D) 10
E) 12


18) When the following equation is balanced with smallest whole number integers, what is the coefficient for HNO3?Chapter08_2.jpg


A) 1
B) 2
C) 3
D) 4
E) 5


19) Which is a representation of a balanced chemical equation for the reaction of nitrogen gas and chlorine gas to form nitrogen trichloride?


A)chapter08_3.jpg

B)chapter08_4.jpg

C)chapter08_5.jpg

D)chapter08_6.jpg

E)chapter08_7.jpg


20) {MISSING IMAGE}</td> </tr> </tbody> </table>

Suppose white atoms (W) and black atoms (B) react according to the following balanced chemical equation.

2W + B → BW2

If the initial reaction mixture is prepared as follows, what will the final reaction mixture be once the reaction is complete?


A)chapter08_15.jpg

B)chapter08_16.jpg

C)chapter08_17.jpg

D)chapter08_18.jpg

E)chapter08_19.jpg


21) Which of these chemical equations describes a metal displacement reaction?


A) 2NaN3(s) → 2Na(s) + 3N2(g)
B) Fe2O3(s) + 2Al(s) → 2Fe(s) + Al2O3(s)
C) 3NO2(g) + H2O(l) → 2HNO3(aq) + NO(g)
D) 2P(s) + 3Cl2(g) → 2PCl3(g)
E) 2ZnS(s) + 3O2(g) → 2ZnO(s) + 2SO2(g)


22) Which of these chemical equations does not describe a redox reaction?


A) 2KBr(aq) + Cl2(g) → 2KCl(aq) + Br2(l)
B) 2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g)
C) 3NO2(g) + H2O(l) → 2HNO3(aq) + NO(g)
D) 2KNO3(s) → 2KNO2(s) + O2(g)
E) 2LiOH(aq) + H2SO4(aq) → Li2SO4(aq) + 2H2O(l)


23) Which of these chemical equations describes a precipitation reaction?


A) 2H2(g) + O2(g) → 2H2O(l)
B) CaBr2(aq) + H2SO4(aq) → CaSO4(s) + 2HBr(g)
C) 2KNO3(s) → 2KNO2(s) + O2(g)
D) 2KBr(aq) + Cl2(g) → 2KCl(aq) + Br2(l)
E) 2Al(s) + 3H2SO4(aq) → Al2(SO4)3(aq) + 3H2(g)


24) Which chemical equation describes an acid-base neutralization reaction?


A) 2Al(s)+ 3H2SO4(aq) → Al2 (SO4)3 (aq) + 3H2(g)
B) 2SO2(g) + 2H2O(l) + O2(g) → 2H2SO4(aq)
C) LiOH(aq) + HNO3(aq) → LiNO3(aq) + H2O(l)
D) 2KBr(aq) + Cl2(g) → 2KCl(aq) + Br2(l)
E) CaBr2(aq) + H2SO4(aq) → CaSO4(s) + 2HBr(g)


25) Which chemical equation describes a combustion reaction?


A) 2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(l)
B) LiOH(aq) + HNO3(aq) → LiNO3(aq) + H2O(l)
C) N2(g) + 3H2(g) → 2NH3(g)
D) 2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g)
E) 2Al(s) + 3H2SO4(aq) → Al2(SO4)3(aq) + 3H2(g)


26) Based on the solubility rules, which of these processes will occur if solutions of CuSO4(aq) and BaCl2(aq) are mixed?


A) CuCl2 will precipitate; Ba2+ and SO42− are spectator ions.
B) CuSO4 will precipitate; Ba2+ and Cl− are spectator ions.
C) BaSO4 will precipitate; Cu2+ and Cl− are spectator ions.
D) BaCl2 will precipitate; Cu2+ and SO42− are spectator ions.
E) No precipitate will form.


27) Based on the solubility rules, which of these processes will occur when solutions of ZnSO4(aq) and MgCl2(aq) are mixed?


A) ZnCl2 will precipitate; Mg2+ and SO42− are spectator ions.
B) ZnSO4 will precipitate; Mg2+ and Cl− are spectator ions.
C) MgSO4 will precipitate; Zn2+ and Cl− are spectator ions.
D) MgCl2 will precipitate; Zn2+ and SO42− are spectator ions.
E) No precipitate will form.


28)

If aqueous solutions of Pb(NO3)2 and NaCl are mixed, which ions, if any, are spectator ions?

Pb(NO3)2(aq) + 2NaCl(aq) → PbCl2(s) + 2NaNO3(aq)


A) Pb2+(aq), Cl−(aq)
B) Na+(aq), NO3− (aq)
C) Pb2+(aq), NO3−(aq)
D) Na+(aq), Cl−(aq)
E) None of the answers is correct.


29)

If aqueous solutions of KMnO4, FeSO4 and H2SO4, are mixed, which ions are spectator ions?

2KMnO4(aq) + 10FeSO4(aq) + 8H2SO4(aq) → K2SO4(aq) + 2MnSO4(aq) + 5Fe2(SO4)3(aq) + 8H2O(l)


A) only K +
B) only SO42−
C) only K+ and SO42−
D) only K+, SO42−, and Fe2+
E) only K+, SO42−, Fe2+, and Mn2+


30) If aqueous solutions of Na2CO3 and BaCl2 are mixed, which insoluble precipitate is formed?


A) Ba2CO3
B) BaCO 3
C) NaCl
D) NaCl 2
E) BaO


31) If aqueous solutions of Mg(C2H3O2)2 and LiOH are mixed, which insoluble precipitate is formed?


A) LiC2H3O2
B) Li(C2H3O2)2
C) MgOH
D) Mg(OH) 2
E) CH3OH


32) If aqueous solutions of ammonium sulfide and copper(II) nitrate are mixed, which insoluble precipitate is formed?


A) CuS
B) Cu2S
C) NH4NO3
D) NH4(NO3)2
E) CuSO 4


33) If aqueous solutions of lead(II) nitrate and sodium sulfate, which insoluble precipitate is formed?


A) NaNO 3
B) Na2NO3
C) PbSO 4
D) Pb2SO4
E) PbS


34) What is the net ionic equation if sodium sulfate is mixed with barium hydroxide?


A) 2Na+(aq) + SO42−(aq) → Na2SO4(s)
B) Na+(aq) + OH−(aq) → NaOH(s)
C) 2Ba+(aq) + SO42− (aq) → Ba2SO4(s)
D) Ba2+(aq) + SO42− (aq) → BaSO4(s)
E) Ba2+(aq) + 2OH−(aq) → Ba(OH)2(s)


35)

Identify the net ionic equation for the following reaction:

2NaCl(aq) + Hg2(NO3)2(aq) → 2NaNO3(aq) + Hg2Cl2(s)


A) Na+(aq) + NO3− (aq) → NaNO3(aq)
B) Hg22+(aq) + 2Cl−(aq) → Hg2Cl2(s)
C) 2Hg+(aq) + 2Cl−(aq) → 2HgCl(s)
D) Hg2(NO3)2(aq) → Hg22+(aq) + 2NO3−(aq)
E) Hg22+(aq) → Hg2(s)


36) If aqueous solutions of Ba(OH)2 and HNO3 are mixed, what products are formed?


A) BaN2(s) + H2O(l)
B) Ba(NO3)2(aq) + H2O(l)
C) Ba(s) + H2(g) + NO2(g)
D) Ba2O(s) + NO2(g) + H2O(l)
E) Ba3N2(s) + H2O(l)


37) What is the net ionic equation for the reaction that occurs when aqueous solutions of Pb(NO3)2 and NH4Cl are mixed?


A) Pb(NO3)2(aq) + 2NH4Cl(aq) → 2NH4NO3(aq) + PbCl2(s)
B) Pb2+(aq) + 2Cl−(aq) → PbCl2(s)
C) Pb2+(aq) + 2NO3−(aq) + 2NH4+(aq) + 2Cl−(aq) → 2NH4+(aq) + 2NO3−(aq) + PbCl2(s)
D) NH4+(aq) + NO3−(aq) → NH4NO3(s)
E) NH4+(aq) + NO3−(aq) → 2NO(g) + 2H2O(l)


38) Suppose aqueous solutions of silver(I) nitrate and potassium chloride are mixed. Which represents the likely result?


A)chapter09_1.jpg
B)chapter09_2.jpg
C)chapter09_3.jpg
D)1chapter09_4.jpg


39) chapter09_6.jpg</td> </tr> </tbody> </table>

Which balanced chemical equation could represent the following result of a precipitation reaction?


A) 2K3PO4(aq) + 3Cr2(SO4)3(aq) → CrPO4(s) + 6KCl(aq)
B) MgSO4(aq) + 2AgNO3(aq) → Ag2SO4(s) + Mg(NO3)2(aq)
C) MgCl2(aq) + 2AgC2H3O2(aq) → 2AgCl(s) + Mg(C2H3O2)2(aq)
D) K2CrO4(aq) + 2AgNO3(aq) → Ag2CrO4(s) + 2KNO3(aq)
E) K2S(aq) + Pb(NO3)2(aq) → PbS(s) + 2KNO3(aq)


40) Which salt is formed in the neutralization reaction of hydrochloric acid with calcium hydroxide?


A) CaO
B) CaCl
C) CaH 2
D) CaCl 2
E) NaCl


41) Which salt is produced by the neutralization of hydrobromic acid with magnesium hydroxide?


A) MgBr
B) Mg2Br3
C) MgBr 2
D) Mg3Br2
E) Mg2Br


42) Which salt is produced by the neutralization of nitric acid with calcium hydroxide?


A) CaNO 3
B) Ca2(NO3)3
C) Ca3(NO3)2
D) Ca2NO3
E) Ca(NO3)2


43) Which salt is produced by the neutralization of sodium hydroxide with sulfuric acid?


A) Na2SO4
B) Na2(SO4)3
C) Na(SO4)2
D) Na2SO3
E) Na2S


44) Which salt is produced by the neutralization of potassium hydroxide with sulfuric acid?


A) KSO 3
B) K2(SO4)3
C) K2SO4
D) K(SO4)2
E) KSO 4


45)

Which is the net ionic equation for the reaction between aqueous solutions of lithium hydroxide and hydrobromic acid?

LiOH(aq) + HBr(aq) →H2O(l) + LiBr(aq)


A) LiOH(aq) → Li+(aq) + OH−(aq)
B) HBr(aq) → H+(aq) + Br−(aq)
C) H+(aq) + OH−(aq) → H2O(l)
D) Li+(aq) + Br−(aq) → LiBr(aq)
E) Li+(aq) + OH−(aq)+ H+(aq) + Br−(aq) → H2O(l) + LiBr(aq)


46)

What is oxidized in the following reaction?

Fe + Ag2O → FeO + 2Ag


A) Ag
B) Ag2O
C) Fe
D) FeO
E) 2Ag


47)

What is reduced in the following reaction?

Cu(NO3)2 + Zn → Zn(NO3)2 + Cu


A) Cu(NO3)2
B) N
C) O
D) Zn
E) NO 3


48)

What is the oxidizing agent in the following reaction?

5Fe2+(aq) + MnO4−(aq) + 8H+(aq) → 5Fe3+(aq) + Mn2+(aq) + 4H2O(l)


A) Fe 2+
B) MnO4−
C) H +
D) Mn 2+
E) Fe 3+


49)

What is the reducing agent in the following reaction?

Mg + NiO2 + 2H2O → Mg(OH)2 + Ni(OH)2


A) Mg
B) NiO 2
C) H2O
D) Mg(OH) 2
E) Ni(OH) 2


50) What is the oxidation number of oxygen in KMnO4?


A) +1
B) −8
C) +5
D) −2
E) +3


51) What is the oxidation number of sulfur in sulfuric acid?


A) +1
B) +6
C) −2
D) −4
E) +4


52) What is the oxidation number of N in K3Fe(CN)6?


A) +3
B) −3
C) +4
D) −5
E) +1


53) What is the oxidation number of Cr in Cr2O72−?


A) −12
B) −7
C) −2
D) +6
E) +7


54) Select the compound in which sulfur has its highest possible oxidation number.


A) H2S
B) SO 2
C) SCl 2
D) H2SO3
E) Na2SO4


55) What is the oxidation number of N in N2H4?


A) +4
B) +2
C) −2
D) −4
E) 0


56) What is the oxidation number of iodine in I2?


A) −1
B) 0
C) +1
D) +7
E) −7


57) Which equation describes a redox reaction?


A) 2Al(s) + 3H2SO4(aq) → Al2(SO4)3(aq) + 3H2(g)
B) 2KBr(aq) + Pb(NO3)2(aq) → 2KNO3(aq) + PbBr2(s)
C) CaBr2(aq) + H2SO4(aq) → CaSO4(s) + 2HBr(g)
D) H+(aq) + OH−(aq) → H2O(l)
E) CO32−(aq) + HSO4−(aq) → HCO3−(aq) + SO42−(aq)


58) Which of the following equations is not a redox reaction?


A) 2H 2( g) + O 2( g) → 2H 2O( l)
B) Zn(s) + H2SO4(aq) → ZnSO4(aq) + H2(g)
C) H2O(l) + NH3(g) → NH4+(aq) + OH−(aq)
D) 6FeSO4(aq) + K2Cr2O7(aq) + 7H2SO4(aq) → Cr2(SO4)3(aq) + 3Fe2(SO4)3(aq) + K2SO4(aq) + 7H2O(l)
E) Cl2(g) + 2KBr(aq) → Br2(l) + 2KCl(aq)


59) Which of these equations does not represent an oxidation-reduction reaction?


A) 3Al + 6HCl → 3H2 + AlCl3
B) 2H2O → 2H2 + O2
C) 2NaCl + Pb(NO3)2 → PbCl2 + 2NaNO3
D) 2NaI + Br2 → 2NaBr + I2
E) Cu(NO3)2 + Zn → Zn(NO3)2 + Cu


60) In the reaction 5H2O2 + 2MnO4− + 6H+ → 2Mn2+ + 8H2O + 5O2, what is the oxidizing agent?


A) H2O2
B) MnO4−
C) H +
D) Mn 2+
E) O 2


61) Identify the oxidizing agent in the chemical reaction 2MnO4− + 5H2SO3→ 2Mn2+ + 5SO42− + 4H+ + 3H2O.


A) MnO4−
B) H2SO3
C) Mn 2+
D) SO42−
E) H +


62)

What is the reducing agent in the following reaction?

5Fe2+(aq) + MnO4−(aq) + 8H+(aq) → 5Fe3+(aq) + Mn2+(aq) + 4H2O(l)


A) Fe 2+
B) MnO4−
C) H +
D) Mn 2+
E) Fe 3+


63) Identify the reducing agent in the chemical reaction Cd + NiO2 + 2H2O → Cd(OH)2 + Ni(OH)2


A) Cd
B) NiO 2
C) H2O
D) Cd(OH) 2
E) Ni(OH) 2


64) Which is a correct description of the following reaction? H2SO4 + Cd(OH)2 → 2H2O + CdSO4


A) This reaction is an acid-base reaction.
B) In this reaction, hydrogen is oxidized.
C) In this reaction, sulfur is oxidized.
D) In this reaction, cadmium is oxidized.
E) In this reaction, oxygen is oxidized.


65)

Which element is reduced in the following reaction?

Cu + 2H2SO4 → CuSO4 + SO2 + 2H2O


A) Cu
B) H
C) S
D) O
E) H2O


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Document Type:
DOCX
Chapter Number:
1
Created Date:
Aug 21, 2025
Chapter Name:
Chapter 1 The Chemical World
Author:
Julia Burdge, Michelle Driessen

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