Deck 4: Chemical Reactions

Question 1

Which of the following aqueous solutions would be expected to be the best conductor of an electric current at room temperature?

A)0.10 M CH₃COOH
B)0.10 M HCl
C)0.10 M Na₂SO₄
D)0.10 M NaCl
E)0.10 M H₃PO₄

Answer 1

0.10 M Na₂SO₄

Question 2

Which of the following would not be depicted as the individual ions on the reactant side of a complete ionic reaction?

A)RbOH
B)HNO₃
C)ZnCl₂
D)CH₃COOH
E)TiI₃

Answer 2

CH₃COOH

Question 3

Which of the following correctly describes one or more of the differences between a strong and weak electrolyte?

A)A strong electrolyte partially ionizes in solution and a weak electrolyte completely ionizes in solution.
B)Strong electrolytes are all classified as soluble ionic substances and weak electrolytes are all classified as soluble molecular substances.
C)Strong electrolytes produce more ions per mole of substance in solution than weak electrolytes.
D)Weak electrolytes inhibit the flow of electricity.
E)Strong electrolytes are weak conductors of electricity.

Answer 3

Strong electrolytes produce more ions per mole of substance in solution than weak electrolytes.

Question 4

Which of the following would not be depicted as the individual ions on the reactant side of a complete ionic reaction?

A)KOH
B)HI
C)CuBr₂
D)CuCO₃
E)TiI₃

Question 5

Which of the following compounds is insoluble in water?

A)FeCO₃
B)K₂CO₃
C)(NH₄)₂CO₃
D)Na₂CO₃
E)Li₂CO₃

Question 6

Which of the following compounds is soluble in water?

A)AgCl
B)AgI
C)PbSO₄
D)Pb(C₂H₃O₂)₂
E)HgI₂

Question 7

What precipitate forms when aqueous solutions of calcium bromide and potassium phosphate are mixed?

A)(KBr)₂(s)
B)Ca₃(PO₄)₂(s)
C)CaPO₄^-(s)
D)KBr(s)
E)CaPO₄(s)

Question 8

Identify the spectator ion(s)in the following reaction.
Cu(OH)₂(s)+ 2H⁺(aq)+ 2Cl^-(aq)→ Cu²⁺(aq)+ 2Cl^-(aq)+ 2H₂O(l)

A)Cu²⁺ and Cl^-
B)Cu²⁺
C)Cu(OH)₂
D)Cl^-
E)H⁺ and Cl^-

Question 9

Which anion will form a precipitate with Ca²⁺?

A)Cl^-
B)OH^-
C)C₂H₃O₂^-
D)Br^-
E)none of the above

Question 10

Which of the following ions is most likely to form an insoluble sulfate?

A)Ca²⁺
B)Cl^-
C)K⁺
D)Li⁺
E)S^2-

Question 11

A student is given a sample in lab that contains one of the ions listed below.After adding a few drops of AgNO₃ solution to a portion of the unknown sample,the student observed a grayish precipitate.After adding a few drops of Mg(NO₃)₂ solution to another portion of the unknown sample,the student got a black precipitate.Based on these observations,what is the only possible ion in this student's sample?

A)Cl^-
B)F^-
C)C₂H₃O₂^-
D)S^2-
E)SO₄^2-

Question 12

Identify the spectator ion(s)in the following reaction.
Zn(OH)₂(s)+ 2K⁺(aq)+ 2OH^-(aq)→ 2K⁺(aq)+ Zn(OH)₄^-(aq)

A)K⁺ and Zn(OH)₄^2-
B)K⁺
C)Zn(OH)₂
D)Zn(OH)₄^2-
E)K⁺ and OH^-

Question 13

Which of the following compounds is insoluble in water?

A)PbSO₄
B)ZnSO₄
C)Na₂SO₄
D)(NH₄)₂SO₄
E)Cr₂(SO₄)₃

Question 14

Which of the following compounds is insoluble in water?

A)NH₄Cl
B)KCl
C)CoCl₂
D)PbCl₂
E)LiCl

Question 15

Which of the following compounds is soluble in water?

A)Sc₂O₃
B)Li₃P
C)CuS
D)Hg₂I₂
E)NiS

Question 16

Which anion will form a precipitate with NH₄⁺?

A)Cl^-
B)SO₄^2-
C)C₂H₃O₂^-
D)S^2-
E)none of the above

Question 17

Identify the spectator ions in the following reaction.
Ca²⁺(aq)+ 2NO₃^-(aq)+ 2Na⁺(aq)+ CO₃^2-(aq)→ CaCO₃(s)+ 2Na⁺(aq)+ NO₃^-(aq)

A)NO₃^- and CO₃^2-
B)Ca²⁺ and Na⁺
C)Ca²⁺ and CO₃^2-
D)Ca²⁺ and NO₃^-
E)Na⁺ and NO₃^-

Question 18

Which of the following solutions would be expected to be the best conductor of an electric current at room temperature?

A)0.10 M Na₂SO₄
B)1.0 M CH₃COOH
C)0.10 M NaCl
D)0.10 M CO(NH₂)₂
E)0.10 M CH₃COOH

Question 19

Which of the following is a nonelectrolyte in aqueous solution?

A)NH₄F
B)NH₄Cl
C)NaHS
D)CH₄
E)Na₂S

Question 20

Which of the following solutes,dissolved in 1000 g of water,would provide the greatest number of particles?

A)0.030 mol of urea,CO(NH₂)₂
B)0.030 mol of ammonium nitrate,NH₄NO₃
C)0.030 mol of barium chloride,BaCl₂
D)0.030 mol of acetic acid,CH₃COOH
E)0.030 mol of calcium sulfate,CaSO₄

Question 21

A precipitate is expected when an aqueous solution of lithium iodide is added to an aqueous solution of

A)calcium nitrate.
B)barium hydroxide.
C)lead perchlorate.
D)iron(II)chloride.
E)sodium sulfate.

Question 22

Which of the following is a strong base in aqueous solution?

A)HOCH₂CH₂OH
B)Sr(OH)₂
C)H₃PO₄
D)NH₃
E)HF

Question 23

Which of the following is a strong acid in aqueous solution?

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

Question 24

When a solution of lithium chloride and a solution of ammonium sulfate are mixed,

A)a new salt is formed.
B)no reaction occurs.
C)a precipitate forms.
D)an acid and a base are formed.
E)a gas is evolved.

Question 25

What products result from mixing aqueous solutions of Ni(C₂H₃O₂)₂(aq)and K₃PO₄(aq)?

A)Ni₂PO₄(s)and K₃(C₂H₃O₂)₂(aq)
B)Ni₃(PO₄)₂(s)and KC₂H₃O₂(s)
C)NiP(s),CO₂(g),H₂O(l),KOH(aq),and PH₃(g).
D)NiPO₄(s)and K₃(C₂H₃O₂)₂(aq)
E)Ni₃(PO₄)₂(s),K⁺(aq),and C₂H₃O₂−(aq)

Question 26

What products result from mixing aqueous solutions of Cr(NO₃)₂(aq)and NaNO₃(aq)?

A)Cr(OH)₂(s),Na⁺(aq),and NO₃−(aq)
B)Cr(OH)₂(s)and NaNO₃(s)
C)Cr₂(OH)₂(aq)and NaNO₃(aq)
D)Cr(OH)₂(aq)and NaNO₃(s)
E)Cr(OH)₂(s),N₂(g),and H₂O(l)

Question 27

Which of the following chemical equations best represents the dissolution of a soluble group 2A metal hydroxide in water?

A)M(OH)₂(s)→ M⁺(aq)+ (OH)₂^-(aq)
B)M(OH)₂(s)→ M²⁺(aq)+ 2OH^-(aq)
C)M(OH)₂(s)+ H₂O(l)→ MO(aq)+ OH^-(aq)+ H₃O⁺(aq)
D)M(OH)₂(s)→ M(OH)₂(aq)
E)M(OH)₂(s)→ MO(aq)+ H₂O(l)

Question 28

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

A)KOH(s)+ H₂O(l)→ KO^-(aq)+ H₃O⁺(aq)
B)KOH(s)→ KO^-(aq)+ H⁺(aq)
C)KOH(s)→ K⁺(aq)+ OH^-(aq)
D)KOH(s)→ KO⁺(aq)+ H^-(aq)
E)KOH(s)→ KOH(aq)

Question 29

Which of the following reactions best describes the acid-base properties of ammonia (NH₃)in aqueous solution?

A)NH₃(aq)+ 3H₂O(l)→ N^3-(aq)+ 3H₃O⁺(aq)
B)NH₃(aq)→ N^3-(aq)+ 3H⁺(aq)
C)NH₃(aq)+ H₂O(l) NH₄⁺(aq)+ OH^-(aq)
D)NH₃(aq)+ H₂O(l)→ NH₄⁺(aq)+ OH^-(aq)
E)NH₃(aq)+ 3H₂O(l) N^3-(aq)+ 3H₃O⁺(aq)

Question 30

Which net ionic equation best represents the reaction that occurs when an aqueous solution of lithium nitrate is mixed with an aqueous solution of ammonium chloride?

A)Li⁺(aq)+ Cl^-(aq)→ LiCl(s)
B)NH₄⁺(aq)+ NO₃^-(aq)→ NH₄NO₃(aq)
C)NH₄Cl(aq)+ LiNO₃(aq)→ LiCl(s)+ NH₄NO₃(aq)
D)No net reaction occurs.
E)Li⁺(aq)+ NH₄Cl(aq)→ LiCl(s)+ NH₄⁺(aq)

Question 31

Which of the following is not an Arrhenius base?

A)NH₃
B)NaOH
C)Ba(OH)₂
D)Mg(OH)₂
E)all are Arrhenius bases

Question 32

Which of the following reactions best describes the acid-base properties of acetic acid (HC₂H₃O₂)in aqueous solution?

A)HC₂H₃O₂(aq)+ H₂O(l)→ H₃O⁺(aq)+ C₂H₃O₂^-(aq)
B)HC₂H₃O₂(aq)+ H₂O(l)→ C₂H₅O₂⁺(aq)+ OH^-(aq)
C)HC₂H₃O₂(aq)+ H₂O(l) C₂H₅O₂⁺(aq)+ OH^-(aq)
D)HC₂H₃O₂(aq)+ H₂O(l) H₃O⁺(aq)+ C₂H₃O₂^-(aq)
E)HC₂H₃O₂(aq)+ 4H₂O(l) 4H₃O⁺(aq)+ C₂O₂^4-(aq)

Question 33

Which equation best represents the net ionic equation for the reaction that occurs when aqueous solutions of potassium phosphate and iron(II)nitrate are mixed?

A)3Fe²⁺(aq)+ 2PO₄^3-(aq)→ Fe₃(PO₄)₂(s)
B)2K⁺(aq)+ Fe(NO₃)₂(aq)→ 2KNO₃(aq)+ Fe²⁺(aq)
C)3Fe²⁺(aq)+ 2PO₄^3-(aq)→ Fe₃(PO₄)₂(aq)
D)2K₃PO₄(aq)+ 3Fe²⁺(aq)→ Fe₃(PO₄)₂(s)+ (K⁺)₆(aq)
E)2K₃PO₄(aq)+ 3Fe(NO₃)₂(aq)→ Fe₃(PO₄)₂(s)+ 6KNO₃(aq)

Question 34

Which of the following is a weak base in aqueous solution?

A)HOCH₂CH₂OH
B)Ba(OH)₂
C)CH₃COOH
D)NH₃
E)HBr

Question 35

Which of the following reactions best describes the dissolution of gaseous hydrogen chloride (HCl)in water?

A)HCl(g)+ 2H₂O(l)→ H₃O⁺(aq)+ ClO^-(aq)+ H₂(g)
B)2HCl(g)→ H₂(g)+ Cl₂(g)
C)HCl(g)+ H₂O(l)→ H₃O⁺(aq)+ Cl^-(aq)
D)HCl(g)+ 5H₂O(l)→ H₃O⁺(aq)+ ClO₄^-(aq)+ 4H₂(g)
E)HCl(g)+ H₂O(l)→ H₃O⁺(aq)+ ClO^-(aq)

Question 36

Aqueous solutions of sodium sulfide and copper(II)chloride are mixed together.Which statement is correct?

A)CuS will precipitate from solution.
B)NaCl will precipitate from solution.
C)No precipitate will form.
D)Both NaCl and CuS will precipitate from solution.
E)No reaction will occur.

Question 37

When solutions of barium iodide and lithium sulfate are mixed,the spectator ions in the resulting reaction are

A)only SO₄^2-.
B)both Li⁺ and I^-.
C)only I^-.
D)only Li⁺.
E)only Ba²⁺.

Question 38

Which of the following is not a strong acid in aqueous solution?

A)HBr
B)HClO₄
C)HF
D)HI
E)HCl

Question 39

Which net ionic equation best represents the reaction that occurs when an aqueous solution of barium chloride is mixed with an aqueous solution of lithium sulfate?

A)2H⁺(aq)+ 2Cl^-(aq)→ 2HCl(g)
B)Ba²⁺(aq)+ SO₄^2-(aq)→ BaSO₄(s)
C)Ba²⁺(aq)+ 2Cl^-(aq)+ 2Li⁺(aq)+ SO₄^2-(aq)→ BaSO₄(s)+ 2LiCl(aq)
D)BaCl₂(aq)+ Li₂SO₄(aq)→ BaSO₄(s)+ 2LiCl(aq)
E)No net reaction occurs.

Question 40

A precipitate will form when a freshly prepared aqueous carbonic acid solution is added to an aqueous solution of

A)potassium carbonate.
B)ammonium chloride.
C)nitrous acid.
D)calcium hydroxide.
E)sodium chloride.

Question 41

What is the net ionic equation for the acid-base reaction that occurs when an excess of a sodium hydroxide solution is added to a solution of H₂SO₃?

A)H₂SO₃(aq)+ 2OH^-(aq)→ 2H₂O(l)+ SO₃^2-(aq)
B)H⁺(aq)+ OH^-(aq)→ H₂O(l)
C)2H⁺(aq)+ 2OH^-(aq)→ 2H₂O(l)
D)2H⁺(aq)+ SO₃^2-(aq)+ 2Na⁺(aq)+ 2OH^-(aq)→ 2Na⁺(aq)+ SO₃^2-(aq)+ 2H₂O(l)
E)H₂SO₃(aq)+ 2NaOH(aq)→ Na₂SO₃(aq)+ 2H₂O(l)

Question 42

Which of the following is a weak acid in aqueous solution?

A)HCl
B)H₂SO₄
C)H₂S
D)HNO₃
E)HI

Question 43

Which of the following is not a strong base in aqueous solution?

A)Sr(OH)₂
B)Ca(OH)₂
C)KOH
D)LiOH
E)NH₃

Question 44

Which of the following salts may be obtained by the reaction of a weak acid with a strong base?

A)LiClO₄
B)NaCl
C)K₂SO₃
D)MgCl₂
E)NH₄F

Question 45

All the following are strong acids in aqueous solution except

A)HCl.
B)HF.
C)HI.
D)HBr.
E)H₂SO₄.

Question 46

What is the net ionic equation for the reaction of acetic acid,CH₃COOH,with NH₃?

A)CH₃COOH(aq)+ NH₃(aq)→ NH₄⁺(aq)+ CH₃COO^-(aq)
B)H⁺(aq)+ OH^-(aq)→ H₂O(l)
C)CH₃COOH(aq)+ NH₃(aq)→ NH₄CH₃COO(aq)
D)CH₃COO^-(aq)+ H⁺(aq)+ NH₃(aq)→ NH₄CH₃COO(aq)
E)H⁺(aq)+ NH₃(aq)→ NH₄⁺(aq)

Question 47

What is the net ionic equation for the acid-base reaction between chlorous acid and sodium hydroxide?

A)H⁺(aq)+ ClO₂^-(aq)+ Na⁺(aq)+ OH^-(aq)→ NaClO₂(aq)+ H₂O(l)
B)HClO₂(aq)+ OH^-(aq)→ ClO₂^-(aq)+ H₂O(l)
C)HClO₂(aq)+ NaOH(aq)→ NaClO₂(aq)+ H₂O(l)
D)H⁺(aq)+ OH^-(aq)→ H₂O(l)
E)H⁺(aq)+ ClO₂^-(aq)+ Na⁺(aq)+ OH^-(aq)→ Na⁺(aq)+ ClO₂^-(aq)+ H₂O(l)

Question 48

All of the following are weak electrolytes in aqueous solution except

A)nitrous acid.
B)acetic acid.
C)nitric acid.
D)tartaric acid.
E)citric acid.

Question 49

Which of the following is a strong electrolyte in aqueous solution?

A)acetic acid
B)tartaric acid
C)citric acid
D)ascorbic acid
E)hydrobromic acid

Question 50

Which of the following is best described as an acid-base reaction?

A)HNO₃(aq)+ NH₃(aq)→ NH₄⁺(aq)+ NO₃^-(aq)
B)P₄(s)+ 3OH^-(aq)+ 3H₃O(l)→ PH₃(g)+ 3H₂PO₂^-(aq)
C)Cu(s)+ H₂S(g)→ CuS(s)+ H₂(g)
D)2H₂(g)+ O₂(g)→ 2H₂O(l)
E)2KClO₃(aq)→ 2KCl(s)+ 3O₂(g)

Question 51

Which of the following is a weak electrolyte in aqueous solution?

A)HClO₄
B)H₂SO₄
C)H₃PO₄
D)HNO₃
E)HI

Question 52

Which of the following is a strong acid in aqueous solution?

A)HClO
B)H₃PO₄
C)HBr
D)HNO₂
E)H₃PO₃

Question 53

Which of the following is a weak acid in aqueous solution?

A)HClO₄
B)HCl
C)H₂SO₄
D)HNO₃
E)H₂SO₃

Question 54

Which of the following is a weak base in aqueous solution?

A)H₂CO₃
B)Ba(OH)₂
C)B(OH)₃
D)LiOH
E)N₂H₄

Question 55

What is the net ionic equation for the reaction of NH₃ with HNO₃?

A)NH₃(aq)+ H⁺(aq)→ NH₄⁺(aq)
B)NH₃(aq)+ HNO₃(aq)→ NH₄NO₃(aq)
C)NH₃(aq)+ NO₃^-(aq)→ NH₂^-(aq)+ HNO₃(aq)
D)H^-(aq)+ H⁺(aq)→ H₂(g)
E)H⁺(aq)+ OH^-(aq)→ H₂O(l)

Question 56

What is the net ionic equation for the acid-base reaction that occurs when acetic acid and sodium hydroxide solutions are mixed?

A)HC₂H₃O₂(aq)+ OH^-(aq)→ C₂H₃O₂^-(aq)+ H₂O(l)
B)H⁺(aq)+ OH^-(aq)→ H₂O(l)
C)H₃O⁺(aq)+ OH^-(aq)→ 2H₂O(l)
D)C₂H₃O₂^-(aq)+ H⁺(aq)+ Na⁺(aq)+ OH^-(aq)→ Na⁺(aq)+ C₂H₃O₂^-(aq)+ H₂O(l)
E)HC₂H₃O₂(aq)+ NaOH^-(aq)→ NaC₂H₃O₂^-(aq)+ H₂O(l)

Question 57

Which of the following is a weak electrolyte in aqueous solution?

A)Ca(OH)₂
B)NH₃
C)LiOH
D)RbOH
E)Sr(OH)₂

Question 58

Which of the following is a weak base in aqueous solution?

A)HOCl
B)LiOH
C)NH₃
D)HI
E)Mg(OH)₂

Question 59

Which of the following is a strong acid in aqueous solution?

A)H₃PO₃
B)H₃PO₄
C)H₂CO₃
D)H₂SO₃
E)H₂SO₄

Question 60

Which of the following is a strong base in aqueous solution?

A)LiCl
B)CH₃OH
C)LiOH
D)NH₃
E)HClO₄

Question 61

The net ionic equation for the reaction between aqueous ammonia and hydrobromic acid is

A)HBr(aq)+ NH₃(aq)→ NH₄Br(aq).
B)H⁺(aq)+ OH^-(aq)→ H₂O(l).
C)HBr(aq)+ OH^-(aq)→ Br^-(aq)+ H₂O(l).
D)H⁺(aq)+ NH₃(aq)→ NH₄⁺(aq).
E)H⁺(aq)+ Br^-(aq)+ NH₃(aq)→ NH₄⁺(aq)+ Br^-(aq).

Question 62

What is the net ionic equation for the complete neutralization of phosphoric acid with potassium hydroxide?

A)H₃PO₄(aq)+ 3OH^-(aq)→ 3H₂O(l)+ PO₄^3-(aq)
B)H₃P(aq)+ 3KOH(aq)→ 3H₂O(l)+ K₃P(aq)
C)H⁺(aq)+ OH^-(aq)→ H₂O(l)
D)H₃PO₄(aq)+ 3KOH(aq)→ 3H₂O(l)+ K₃PO₄(aq)
E)3H⁺(aq)+ 3KOH(aq)→ 3H₂O(l)+ 3K⁺(aq)

Question 63

Which of the following salts cannot be obtained by the neutralization of a strong acid and a strong base?

A)NaCl
B)LiNO₃
C)NH₄Br
D)Ba(ClO₄)₂
E)Na₂SO₄

Question 64

Which of the following reactions involves neither oxidation nor reduction?

A)N₂(g)+ 3H₂(g)→ 2NH₃(g)
B)NH₄NO₂(s)→ N₂(g)+ 2H₂O(l)
C)Cu(s)+ 2Ag⁺(aq)→ Cu²⁺(aq)+ 2Ag(s)
D)2CrO₄^2-(aq)+ 2H⁺(aq)→ Cr₂O₇^2-(aq)+ H₂O(l)
E)C₂H₄(g)+ H₂(g)→ C₂H₆(g)

Question 65

All the following are oxidation-reduction reactions except

A)H₂(g)+ F₂(g)→ 2HF(g).
B)Ca(s)+ H₂(g)→ CaH₂(s).
C)2K(s)+ 2H₂O(l)→ 2KOH(aq)+ H₂(g).
D)6Li(s)+ N₂(g)→ 2Li₃N(s).
E)Mg₃N₂(s)+ 6H₂O(l)→ 3Mg(OH)₂(s)+ 2NH₃(g).

Question 66

Which of the following is an oxidation-reduction reaction?

A)PbCO₃(s)+ 2HNO₃(aq)→ Pb(NO₃)₂(aq)+ CO₂(g)+ H₂O(l)
B)Na₂O(s)+ H₂O(l)→ 2NaOH(aq)
C)SO₃(g)+ H₂O(l)→ H₂SO₄(aq)
D)CO₂(g)+ H₂O(l)→ H₂CO₃(aq)
E)C₂H₄(g)+ H₂(g)→ C₂H₆(g)

Question 67

Which of the following best represents the molecular equation for the reaction of aqueous ammonia with sulfuric acid?

A)2NH₃(aq)+ H₂SO₄(aq)→ (NH₄)₂SO₄(aq)
B)NH₃(aq)+ H₂SO₄(aq)→ NH₄SO₄(aq)
C)NH₄OH(aq)+ H₂SO₄(aq)→ NH₄SO₄(aq)+ H₂O(l)
D)2NH₄⁺(aq)+ H₂SO₄(aq)→ (NH₄)₂SO₄(aq)+ 2H⁺(aq)
E)2NH₄⁺(aq)+ H₂SO₄(aq)→ (NH₄)₂SO₄(aq)+ H₂(g)

Question 68

What is the net ionic equation for the complete neutralization of the triprotic acid citric acid,H₃C₆H₅O₆,by a strong base?

A)H₃C₆H₅O₆(aq)+ 3OH^-(aq)→ 3H₂O(l)+ C₆H₅O₆^3-(aq)
B)H₃C₆H₅O₆(aq)+ 3NaOH(aq)→ 3H₂O(l)+ Na₃C₆H₅O₆(aq)
C)H⁺(aq)+ OH^-(aq)→ H₂O(l)
D)H₃C₆H₅O₆(aq)+ NaOH(aq)→ H₂O(l)+ NaH₂C₆H₅O₆(aq)
E)3H⁺(aq)+ 3OH^-(aq)→ 3H₂O(l)

Question 69

The balanced net ionic equation for the reaction of calcium sulfite with nitric acid is

A)CaSO₃(s)+ 2H⁺(aq)→ Ca²⁺(aq)+ SO₂(g)+ H₂O(l).
B)Ca²⁺(aq)+ CO₃^2-(aq)+ 2H⁺(aq)+ 2NO₃^-(aq)→ Ca(NO₃)₂(aq)+ SO₂(g)+ H₂O(l).
C)CaSO₃(s)+ 2HNO₂(aq)→ Ca²⁺(aq)+ 2NO₂^-(aq)+ SO₂(g)+ H₂O(l).
D)Ca(HSO₃)₂(s)+ 2HNO₃(aq)→ Ca²⁺(aq)+ 2NO₃^-(aq)+ SO₂(g)+ 2H₂O(l).
E)CaSO₃(s)+ 2HNO₃(aq)→ Ca²⁺(aq)+ 2NO₃^-(aq)+ SO₂(g)+ H₂O(l).

Question 70

Which of the following conversions is not an oxidation-reduction reaction?

A)conversion of Mn₂O₃ to MnO₂
B)conversion of K to KCl
C)conversion of NaBr to Br₂
D)conversion of CaCO₃ to CaO
E)conversion of VO₂⁺ to VO²⁺

Question 71

What is the net ionic equation for the neutralization of hydrofluoric acid with sodium hydroxide?

A)H⁺(aq)+ NaOH(aq)→ H₂O(l)+ Na⁺(aq)
B)HF(aq)+ OH^-(aq)→ H₂O(l)+ F^-(aq)
C)HF(aq)+ NaOH(aq)→ H₂O(l)+ NaF(aq)
D)H⁺(aq)+ OH^-(aq)→ H₂O(l)
E)HF(aq)+ OH^-(aq)→ H₂F⁺(aq)+ O^2-(aq)

Question 72

Which of the following is best described as an oxidation-reduction reaction?

A)SO₂(g)+ H₂O(l)→ H₂SO₃(aq)
B)2Cl(g)→ Cl₂(g)
C)3O₂(g)→ 2O₃(g)
D)2NO₂(g)→ N₂O₄(g)
E)SO₂(g)+ O₂(g)→ SO₃(g)

Question 73

What is the net ionic equation for the reaction that occurs between nitrous acid and barium hydroxide?

A)HNO₂(aq)+ OH^-(aq)→ NO₂^-(aq)+ H₂O(l)
B)2HNO₂(aq)+ Ba(OH)₂ → Ba(NO₂)₂(aq)+ H₂O(l)
C)2H⁺(aq)+ 2NO₂^-(aq)+ Ba²⁺(aq)+ 2OH^-(aq)→ Ba(NO₂)₂(aq)+ H₂O(l)
D)2H⁺(aq)+ 2NO₂^-(aq)+ Ba²⁺(aq)+ 2OH^-(aq)→ Ba²⁺(aq)+ 2NO₂^-(aq)+ 2H₂O(l)
E)H⁺(aq)+ OH^-(aq)→ H₂O(l)

Question 74

Which of the following chemical reactions is an oxidation-reduction reaction?

A)Zn(s)+ S(s)→ ZnS(s)
B)H₂SO₄(aq)+ 2NaOH(aq)→ Na₂SO₄(aq)+ 2H₂O(l)
C)NaOH(aq)+ HCl(aq)→ NaCl(aq)+ H₂O(l)
D)AgNO₃(aq)+ NaCl(aq)→ AgCl(s)+ NaNO₃(aq)
E)CO₂(aq)+ H₂O(aq)→ H₂CO₃(aq)

Question 75

The net ionic equation for the reaction of nitrous acid with sodium hydroxide is

A)H⁺(aq)+ OH^-(aq)→ H₂O(l).
B)HNO₂(aq)+ OH^-(aq)→ NO₂^-(aq)+ H₂O(l).
C)HNO₃(aq)+ NaOH(aq)→ NaNO₃(aq)+ H₂O(l).
D)HNO₃(aq)+ NaOH(aq)→ Na⁺(aq)+ NO₃^-(aq)+ H₂O(l).
E)H⁺(aq)+ NO₂^-(aq)+ Na⁺(aq)+ OH^-(aq)→ Na⁺(aq)+ NO₂^-(aq)+ H₂O(l).

Question 76

Which of the following reactions is an oxidation-reduction reaction?

A)CaCO₃(s)+ 2HCl(aq)→ CaCl₂(aq)+ H₂O(l)+ CO₂(g)
B)NH₄NO₃(aq)→ N₂O(g)+ 2H₂O(l)
C)AgNO₃(aq)+ KI(aq)→ AgI(s)+ KNO₃(aq)
D)CaO(s)+ SO₃(g)→ CaSO₄(s)
E)H₂SO₄(aq)+ 2NaOH(s)→ Na₂SO₄(aq)+ 2H₂O(l)

Question 77

In the reaction of acetic acid with aqueous cesium hydroxide,what is the spectator ion?

A)OH^-(aq)
B)There is no spectator ion.
C)C₂H₃O₂^-(aq)
D)Cs⁺(aq)
E)H⁺(aq)

Question 78

Which one of the following is necessary in order for a metal to be oxidized?

A)addition of electrons
B)removal of electrons
C)addition of oxygen
D)removal of oxygen
E)addition of hydrogen

Question 79

Which of the following chemical reactions is an oxidation-reduction reaction?

A)Mg(s)+ CO₂(g)→ MgO(s)+ CO(g)
B)H₂SO₄(aq)+ Ba(OH)₂(aq)→ BaSO₄(s)+ 2H₂O(l)
C)Pb(NO₃)₂(aq)+ 2HCl(aq)→ PbCl₂(s)+ 2HNO₃(aq)
D)CO₂(aq)+ H₂O(l)→ H₂CO₃(aq)
E)NH₃(g)+ HCl(g)→ NH₄Cl(s)

Question 80

What is the net ionic equation for the reaction of hydrochloric acid with lithium hydroxide?

A)H⁺(aq)+ OH^-(aq)→ H₂O(l)
B)H⁺(aq)+ Cl^-(aq)+ Li⁺(aq)+ OH^-(aq)→ LiCl(aq)+ H₂O(l)
C)H⁺(aq)+ Cl^-(aq)+ Li⁺(aq)+ OH^-(aq)→ HCl(aq)+ LiOH(aq)
D)HCl(aq)+ Li⁺(aq)+ OH^-(aq)→ LiCl(aq)+ H₂O(l)
E)HCl(aq)+ LiOH(aq)→ LiCl(aq)+ H₂O(l)