Question 1

Write a balanced net ionic equation for the reaction of aqueous solutions of baking soda (NaHCO3)and acetic acid.

Accepted Answer

A)  HCO3-(aq)+ CH3CO2H(aq)$\to$ CH3CO2-(aq)+ H2O(   )+ CO2(g) 
B)  2 NaHCO3(aq)+ CH3CO2H(aq)$\to$  2 Na2CO3(aq)+ CH4(aq)+ 2H2O(   )+ CO2(g) 
C)  NaHCO3(aq)+ H+(aq)$\to$ H2CO3(s)+ Na+(aq) 
D)  HCO3-(aq)+ H+(aq)$\to$ H2O(   )+ CO2(g) 
E)  HCO3-(aq)+ H+(aq)$\to$  H2CO3(aq) 
A)  HCO3-(aq)+ CH3CO2H(aq)$\to$ CH3CO2-(aq)+ H2O(   )+ CO2(g) 
B)  2 NaHCO3(aq)+ CH3CO2H(aq)$\to$  2 Na2CO3(aq)+ CH4(aq)+ 2H2O(   )+ CO2(g) 
C)  NaHCO3(aq)+ H+(aq)$\to$ H2CO3(s)+ Na+(aq) 
D)  HCO3-(aq)+ H+(aq)$\to$ H2O(   )+ CO2(g) 
E)  HCO3-(aq)+ H+(aq)$\to$  H2CO3(aq)

Question 2

Which of the following would $\underline{\text{ not }}$  be depicted as the individual ions on the reactant side of a complete ionic reaction?

Accepted Answer

A)  RbOH 
B)  HBr 
C)  ZnBr2 
D)  CH3COOH 
E)  MnCl3 
A)  RbOH 
B)  HBr 
C)  ZnBr2 
D)  CH3COOH 
E)  MnCl3

Question 3

Which of the following reactions best describes the dissolution of solid LiOH(s)in water?

Accepted Answer

A)  LiOH(s)+ H2O(l)$\to$ LiO-(aq)+ H3O+(aq) 
B)  LiOH(s)$\to$ LiO-(aq)+ H+(aq) 
C)  LiOH(s)$\to$ Li+(aq)+ OH-(aq) 
D)  LiOH(s)$\to$  LiO+(aq)+ H-(aq) 
E)  LiOH(s)$\to$  LiOH(aq) 
A)  LiOH(s)+ H2O(l)$\to$ LiO-(aq)+ H3O+(aq) 
B)  LiOH(s)$\to$ LiO-(aq)+ H+(aq) 
C)  LiOH(s)$\to$ Li+(aq)+ OH-(aq) 
D)  LiOH(s)$\to$  LiO+(aq)+ H-(aq) 
E)  LiOH(s)$\to$  LiOH(aq)

Question 4

What is the smallest whole number coefficient for sodium hydroxide when the following equation is balanced?
__Na2SO4 + __Al(OH)3 $\to$__Al2(SO4)3 + __NaOH

Accepted Answer

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

Question 5

Which of the following ions is most likely to form an$\underline{\text{  insoluble }}$  compound when combined with sulfate ion?

Accepted Answer

A)  Pb2+ 
B)  F- 
C)  K+ 
D)  Li+ 
E)  S2- 
A)  Pb2+ 
B)  F- 
C)  K+ 
D)  Li+ 
E)  S2-

Question 6

Write a balanced equation for the reaction that occurs when hydrogen sulfate ion behaves as a Brønsted-Lowry acid in water.

Accepted Answer

A)  HSO4-(aq)+ H2O(   )   H2SO4(aq)+ H3O+(aq) 
B)  SO42-(aq)+ H2O(   )   HSO4-(aq)+ OH-(aq) 
C)  HSO4-(aq)+ H2O(   )   SO42-(aq)+ H3O+(aq) 
D)  HSO4-(aq)+ H2O(   )   H2SO4(aq)+ OH-(aq) 
E)  H2SO4(aq)+ H2O(   )   HSO4-(aq)+ H3O+(aq) 
A)  HSO4-(aq)+ H2O(   )   H2SO4(aq)+ H3O+(aq) 
B)  SO42-(aq)+ H2O(   )   HSO4-(aq)+ OH-(aq) 
C)  HSO4-(aq)+ H2O(   )   SO42-(aq)+ H3O+(aq) 
D)  HSO4-(aq)+ H2O(   )   H2SO4(aq)+ OH-(aq) 
E)  H2SO4(aq)+ H2O(   )   HSO4-(aq)+ H3O+(aq)

Question 7

Give the name of an acidic oxide and write a balanced chemical equation for the reaction of the oxide with water.

Accepted Answer

Sulfur dioxide. SO₂(g)+ H

Question 8

Write a balanced chemical equation for the reaction of aqueous solutions of magnesium chloride and potassium phosphate.

Accepted Answer

A)  MgCl2(aq)+ K3PO4(aq)$\to$  K3Mg(s)+ PO4Cl2(aq) 
B)  3 MgCl2(aq)+ 2 K3PO4(aq)$\to$  3 K2Mg(s)+ 2 PO4Cl3(aq) 
C)  MgCl(aq)+ KPO4(aq)$\to$ MgPO4(s)+ KCl(aq) 
D)  MgCl2(aq)+ 2 KPO4(aq)$\to$ Mg(PO4)2(s)+ 2 KCl(aq) 
E)  3 MgCl2(aq)+ 2 K3PO4(aq)$\to$ Mg3(PO4)2(s)+ 6 KCl(aq) 
A)  MgCl2(aq)+ K3PO4(aq)$\to$  K3Mg(s)+ PO4Cl2(aq) 
B)  3 MgCl2(aq)+ 2 K3PO4(aq)$\to$  3 K2Mg(s)+ 2 PO4Cl3(aq) 
C)  MgCl(aq)+ KPO4(aq)$\to$ MgPO4(s)+ KCl(aq) 
D)  MgCl2(aq)+ 2 KPO4(aq)$\to$ Mg(PO4)2(s)+ 2 KCl(aq) 
E)  3 MgCl2(aq)+ 2 K3PO4(aq)$\to$ Mg3(PO4)2(s)+ 6 KCl(aq)

Question 9

Which of the following is a $\underline{\text{ weak base }}$  in aqueous solution?

Accepted Answer

A)  LiCl 
B)  LiOH 
C)  NH3 
D)  HBr 
E)  Ca(OH)2 
A)  LiCl 
B)  LiOH 
C)  NH3 
D)  HBr 
E)  Ca(OH)2

Question 10

If an aqueous solution of ____ is added to a mixture of Pb2+ and Ba2+,the lead ion will precipitate,but the barium ion will remain in solution.

Accepted Answer

A)  NaOH 
B)  Na2SO4 
C)  K3PO4 
D)  KCO3 
E)  Ca(CH3CO2)2 
A)  NaOH 
B)  Na2SO4 
C)  K3PO4 
D)  KCO3 
E)  Ca(CH3CO2)2

Question 11

Nitroglycerin decomposes violently according to the balanced chemical equation below.2 C3H5(NO3)3(   )$\to$ 3 N2(g)+ 1/2 O2(g)+ 6 CO2(g)+ 5 H2O(g)
Which of the following statements concerning this reaction is/are CORRECT?
1)Two moles of nitroglycerine will produce three moles of nitrogen and five moles of water.
2)Four molecules of nitroglycerine will produced one molecule of oxygen and twelve molecules of carbon dioxide.
3)Six grams of nitroglycerine will produce nine grams of nitrogen and fifteen grams of water.

Accepted Answer

A)  1 only 
B)  2 only 
C)  3 only 
D)  1 and 2 
E)  1,2,and 3 
A)  1 only 
B)  2 only 
C)  3 only 
D)  1 and 2 
E)  1,2,and 3

Question 12

All of the following are oxidation-reduction reactions EXCEPT

Accepted Answer

A)  CaCO3(s)$\to$ CaO(s)+ CO2(g) 
B)  2 Na(s)+ Br2(g)$\to$  2 NaBr(g) 
C)  Fe(s)+ 2 HCl(aq)$\to$ FeCl2(aq)+ H2(g) 
D)  2 C(s)+ O2(g)$\to$  2 CO(g) 
E)  2 H2O(   )$\to$  2 H2(g)+ O2(g) 
A)  CaCO3(s)$\to$ CaO(s)+ CO2(g) 
B)  2 Na(s)+ Br2(g)$\to$  2 NaBr(g) 
C)  Fe(s)+ 2 HCl(aq)$\to$ FeCl2(aq)+ H2(g) 
D)  2 C(s)+ O2(g)$\to$  2 CO(g) 
E)  2 H2O(   )$\to$  2 H2(g)+ O2(g)

Question 13

What are the smallest whole number coefficients the reactants and products when the following molecular equation is correctly balanced?
__NH3(g)+__O2(g)$\to$ __NO(g)+ __H2O(g)

Accepted Answer

A)  1,1,1,1 
B)  2,3,2,3 
C)  3,2,3,4 
D)  3,4,3,4 
E)  4,5,4,6 
A)  1,1,1,1 
B)  2,3,2,3 
C)  3,2,3,4 
D)  3,4,3,4 
E)  4,5,4,6

Question 14

Which of the following compounds is a $\underline{\text{weak acid  }}$  in aqueous solution?

Accepted Answer

A)  HCl 
B)  H3PO4 
C)  HNO3 
D)  HClO4 
E)  H2SO4 
A)  HCl 
B)  H3PO4 
C)  HNO3 
D)  HClO4 
E)  H2SO4

Question 15

What are the spectator ions in the reaction between aqueous nitric acid and ammonia?

Accepted Answer

A)  H+ only 
B)  NO3- only 
C)  H+ and NH4+ 
D)  NO3- and NH4+ 
E)  H+,NO3-,and NH4+ 
A)  H+ only 
B)  NO3- only 
C)  H+ and NH4+ 
D)  NO3- and NH4+ 
E)  H+,NO3-,and NH4+

Question 16

What is the net ionic equation for the reaction of aqueous sodium hydroxide and aqueous iron(II)chloride?

Accepted Answer

A)  Na+(aq)+ OH-(aq)$\to$  NaOH(s) 
B)  Na+(aq)+ Cl-(aq)$\to$  NaCl(s) 
C)  Fe2+(aq)+ 2 OH-(aq)$\to$ Fe(OH)2(s) 
D)  Fe2+(aq)+ OH-(aq)$\to$ FeOH+(s) 
E)  Fe2+(aq)+ 2 Cl-(aq)$\to$ FeCl2(s) 
A)  Na+(aq)+ OH-(aq)$\to$  NaOH(s) 
B)  Na+(aq)+ Cl-(aq)$\to$  NaCl(s) 
C)  Fe2+(aq)+ 2 OH-(aq)$\to$ Fe(OH)2(s) 
D)  Fe2+(aq)+ OH-(aq)$\to$ FeOH+(s) 
E)  Fe2+(aq)+ 2 Cl-(aq)$\to$ FeCl2(s)

Question 17

Which of the following is a $\underline{\text{ strong acid   }}$in aqueous solution?

Accepted Answer

A)  HOCH2CH2OH 
B)  Mg(OH)2 
C)  H3PO4 
D)  NH3 
E)  HNO3 
A)  HOCH2CH2OH 
B)  Mg(OH)2 
C)  H3PO4 
D)  NH3 
E)  HNO3

Question 18

The products of the complete combustion of octane,C8H18,are carbon dioxide and water.Write a balanced chemical equation for this reaction.

Accepted Answer

A)  C8H18(   )$\to$ 8 C(s)+ 9 H2(g) 
B)  C8H18(   )+ 25 O2(g)$\to$ 8 CO2(g)+ 9 H2O(g) 
C)  2 C8H18(   )+ 25 O2(g)$\to$ 16 CO2(g)+ 18 H2O(g) 
D)  C8H18(   )+ 16 O2(g)$\to$ 8 CO2(g)+ 9 H2(g) 
E)  2 C8H18(   )+ 17 O2(g)$\to$ 16 CO(g)+ 18 H2O(g) 
A)  C8H18(   )$\to$ 8 C(s)+ 9 H2(g) 
B)  C8H18(   )+ 25 O2(g)$\to$ 8 CO2(g)+ 9 H2O(g) 
C)  2 C8H18(   )+ 25 O2(g)$\to$ 16 CO2(g)+ 18 H2O(g) 
D)  C8H18(   )+ 16 O2(g)$\to$ 8 CO2(g)+ 9 H2(g) 
E)  2 C8H18(   )+ 17 O2(g)$\to$ 16 CO(g)+ 18 H2O(g)

Question 19

Which anion will form a precipitate with Li+?

Accepted Answer

A)  Cl- 
B)  SO42- 
C)  C2H3O2- 
D)  S2- 
E)  none 
A)  Cl- 
B)  SO42- 
C)  C2H3O2- 
D)  S2- 
E)  none

Question 20

Which equation best represents the balanced $\underline{\text{   net ioni}}$c equation for the reaction that occurs when aqueous solutions of sodium phosphate and iron(II)nitrate are mixed?

Accepted Answer

A)  3Fe2+(aq)+ 2PO43-(aq)$\to$ Fe3(PO4)2(s) 
B)  2Na+(aq)+ Fe(NO3)2(aq)$\to$  2NaNO3(aq)+ Fe2+(aq) 
C)  3Fe2+(aq)+ 2PO43-(aq)$\to$ Fe3(PO4)2(aq) 
D)  2Na3PO4(aq)+ 3Fe2+(aq)$\to$ Fe3(PO4)2(s)+ (Na+)6(aq) 
E)  2Na3PO4(aq)+ 3Fe(NO3)2(aq)$\to$ Fe3(PO4)2(s)+ 6NaNO3(aq) 
A)  3Fe2+(aq)+ 2PO43-(aq)$\to$ Fe3(PO4)2(s) 
B)  2Na+(aq)+ Fe(NO3)2(aq)$\to$  2NaNO3(aq)+ Fe2+(aq) 
C)  3Fe2+(aq)+ 2PO43-(aq)$\to$ Fe3(PO4)2(aq) 
D)  2Na3PO4(aq)+ 3Fe2+(aq)$\to$ Fe3(PO4)2(s)+ (Na+)6(aq) 
E)  2Na3PO4(aq)+ 3Fe(NO3)2(aq)$\to$ Fe3(PO4)2(s)+ 6NaNO3(aq)

Exam 4: Chemical Reactions

Write a balanced net ionic equation for the reaction of aqueous solutions of baking soda (NaHCO3)and acetic acid.

Which of the following would not ‾\underline{\text{ not }} not ​ be depicted as the individual ions on the reactant side of a complete ionic reaction?

Which of the following reactions best describes the dissolution of solid LiOH(s)in water?

What is the smallest whole number coefficient for sodium hydroxide when the following equation is balanced? __Na2SO4 + __Al(OH)3 →\to→ __Al2(SO4)3 + __NaOH

Which of the following ions is most likely to form an insoluble ‾\underline{\text{ insoluble }} insoluble ​ compound when combined with sulfate ion?

Write a balanced equation for the reaction that occurs when hydrogen sulfate ion behaves as a Brønsted-Lowry acid in water.

Give the name of an acidic oxide and write a balanced chemical equation for the reaction of the oxide with water.

Write a balanced chemical equation for the reaction of aqueous solutions of magnesium chloride and potassium phosphate.

Which of the following is a weak base ‾\underline{\text{ weak base }} weak base ​ in aqueous solution?

If an aqueous solution of ____ is added to a mixture of Pb2+ and Ba2+,the lead ion will precipitate,but the barium ion will remain in solution.

All of the following are oxidation-reduction reactions EXCEPT

What are the smallest whole number coefficients the reactants and products when the following molecular equation is correctly balanced? __NH3(g)+__O2(g) →\to→ __NO(g)+ __H2O(g)

Which of the following compounds is a weak acid ‾\underline{\text{weak acid }}weak acid ​ in aqueous solution?

What are the spectator ions in the reaction between aqueous nitric acid and ammonia?

What is the net ionic equation for the reaction of aqueous sodium hydroxide and aqueous iron(II)chloride?

Which of the following is a strong acid ‾\underline{\text{ strong acid }} strong acid ​ in aqueous solution?

The products of the complete combustion of octane,C8H18,are carbon dioxide and water.Write a balanced chemical equation for this reaction.

Which anion will form a precipitate with Li+?

Which equation best represents the balanced net ioni‾\underline{\text{ net ioni}} net ioni​ c equation for the reaction that occurs when aqueous solutions of sodium phosphate and iron(II)nitrate are mixed?

Basic Concepts of Chemistry

Mathlets Review: The Tools of Quantitative Chemistry

Atoms, molecules, and Ions

Stoichiometry: Quantitative Information About Chemical Reactions

Principles of Chemical Reactivity: Energy and Chemical Reactions

The Structure of Atoms

The Structure of Atoms and Periodic Trends

Bonding and Molecular Structure

Bonding and Molecular Structure: Orbital Hybridization and Molecular Orbitals

Gases and Their Properties

Intermolecular Forces and Liquids

The Chemistry of Solids

Solutions and Their Behavior

Chemical Kinetics: the Rates of Chemical Reactions

Principles of Reactivity: Chemical Equilibria

The Chemistry of Acids and Bases

Principles of Reactivity: Other Aspects of Aqueous Equilibria

Entropy and Free Energy

Principles of Reactivity: Electron Transfer Reactions

Environmental Chemistry Earths Environment,energy,and Sustainability

The Chemistry of the Main Group Elements

The Chemistry of the Transition Elements

Carbon: Not Just Another Element

Biochemistry

Nuclear Chemistry

Filters

Write a balanced net ionic equation for the reaction of aqueous solutions of baking soda (NaHCO₃)and acetic acid.

Which of the following would $\underline{\text{ not }}$ be depicted as the individual ions on the reactant side of a complete ionic reaction?

What is the smallest whole number coefficient for sodium hydroxide when the following equation is balanced? Na₂SO₄ + Al(OH)₃ $\to$ Al₂(SO₄)₃ + NaOH

Which of the following ions is most likely to form an $\underline{\text{ insoluble }}$ compound when combined with sulfate ion?

Which of the following is a $\underline{\text{ weak base }}$ in aqueous solution?

If an aqueous solution of ____ is added to a mixture of Pb²⁺ and Ba²⁺,the lead ion will precipitate,but the barium ion will remain in solution.

What are the smallest whole number coefficients the reactants and products when the following molecular equation is correctly balanced? NH₃(g)+O₂(g) $\to$ NO(g)+ H₂O(g)

Which of the following compounds is a $\underline{\text{weak acid }}$ in aqueous solution?

Which of the following is a $\underline{\text{ strong acid }}$ in aqueous solution?

The products of the complete combustion of octane,C₈H₁₈,are carbon dioxide and water.Write a balanced chemical equation for this reaction.

Which anion will form a precipitate with Li⁺?

Which equation best represents the balanced $\underline{\text{ net ioni}}$ c equation for the reaction that occurs when aqueous solutions of sodium phosphate and iron(II)nitrate are mixed?