Question 1

All of the following compounds are insoluble in water except _____.

Accepted Answer

A)   BaCO3
B)   PbF2
C)   Fe(OH) 3
D)   Ni(ClO4) 2
E)   PbCrO4

Question 2

A(n) _____ agent gains electrons in an oxidation-reduction reaction.

Accepted Answer

The answer of A(n) _____ agent gains electrons in an...

Question 3

Which of the following ions is most likely to form an insoluble compound when combined with sulfate ion?

Accepted Answer

A)   Sr2+
B)   I-
C)   K+
D)   Na+
E)   S2-

Question 4

A precipitate will form when aqueous nickel(II)  chloride is added to an aqueous solution of ____.

Accepted Answer

A)   SrI2
B)   Cu(NO3) 2
C)   KOH
D)   Na2SO4
E)   NaBr

Question 5

The net ionic equation for the reaction of barium chloride and sodium sulfate is shown below.
Ba2+(aq) + SO42-(aq) → BaSO4(s)
Chloride and sodium ions are referred to as ________ ions because they are not involved in the reaction.

Accepted Answer

Question 6

The oxidation number of chlorine is highest in which of the following?

Accepted Answer

A)   HCl
B)   Cl2
C)   HClO2
D)   NaClO3
E)   ClO2−

Question 7

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

Accepted Answer

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

Question 8

Which of the following is/are spectator ions in the reaction between aqueous nitric acid and ammonia?

Accepted Answer

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

Question 9

Write a balanced chemical equation for the reaction of aqueous solutions of ammonium sulfate and sodium hydroxide.

Accepted Answer

A)   (NH4) 2SO4(aq)  + 2 NaOH(aq)  ? 2 NH4OH(aq)  + SO3(g)  + Na2O(aq) 
B)   (NH3) 2SO4(aq)  + NaOH(aq)  ? 2 NH3(g)  + NaOHSO4(aq) 
C)   (NH3) 2SO4(aq)  + 2 NaOH(aq)  ? 2 NH3(g)  + Na2SO4(aq)  + 2 OH?(aq) 
D)   (NH4) 2SO4(aq)  + 2 NaOH(aq)  ? 2 NH4+(g)  + Na2SO4(aq)  + 2 OH?(aq) 
E)   (NH4) 2SO4(aq)  + 2 NaOH(aq)  ? 2 NH3(g)  + 2 H2O(  ℓ\ellℓ  )  + Na2SO4(aq)

Question 10

Which of the following compounds is a basic oxide?

Accepted Answer

A)   CO2
B)   SO2
C)   SO3
D)   NO2
E)   CaO

Question 11

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

Accepted Answer

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

Question 12

Which of the following chemical equations is an acid-base reaction?

Accepted Answer

A)   Ba(OH) 2(aq)  + K2SO4(aq)  → BaSO4(s)  + 2 KOH(aq) 
B)   3 NaOH(aq)  + AlCl3(aq)  → Al(OH) 3(s)  + 3 NaCl(aq) 
C)   2 H+(aq)  + Zn(s)  → H2(g)  + Zn2+(aq) 
D)   2 HCl(aq)  + Pb(NO3) 2(aq)  → PbCl2(s)  + 2 HNO3(aq) 
E)   H3PO4(aq)  + NH3(aq)  → NH4+(aq)  + H2PO4−(aq)

Exam 4: Chemical Reactions

All of the following compounds are insoluble in water except _____.

Correct Answer
verified

Which of the following ions is most likely to form an insoluble compound when combined with sulfate ion?

Correct Answer
verified

Which of the following is/are spectator ions in the reaction between aqueous nitric acid and ammonia?

Correct Answer
verified

A precipitate will form when aqueous nickel(II) chloride is added to an aqueous solution of ____.

Correct Answer
verified

Write a balanced chemical equation for the reaction of aqueous solutions of ammonium sulfate and sodium hydroxide.

Correct Answer
verified

Which of the following chemical equations is an acid-base reaction?

Correct Answer
verified

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

Correct Answer
verified

Which of the following compounds is a basic oxide?

Correct Answer
verified

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

Correct Answer
verified

The net ionic equation for the reaction of barium chloride and sodium sulfate is shown below. Ba²⁺(aq) + SO₄^2-(aq) → BaSO₄(s) Chloride and sodium ions are referred to as ________ ions because they are not involved in the reaction.

Correct Answer
verified

The oxidation number of chlorine is highest in which of the following?

Correct Answer
verified

A(n) _____ agent gains electrons in an oxidation-reduction reaction.

Correct Answer
verified

Exam 4: Chemical Reactions

All of the following compounds are insoluble in water except _____.

Correct AnswerverifiedShow Answer

Which of the following ions is most likely to form an insoluble compound when combined with sulfate ion?

Correct AnswerverifiedShow Answer

Which of the following is/are spectator ions in the reaction between aqueous nitric acid and ammonia?

Correct AnswerverifiedShow Answer

A precipitate will form when aqueous nickel(II) chloride is added to an aqueous solution of ____.

Correct AnswerverifiedShow Answer

Write a balanced chemical equation for the reaction of aqueous solutions of ammonium sulfate and sodium hydroxide.

Correct AnswerverifiedShow Answer

Which of the following chemical equations is an acid-base reaction?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following compounds is a basic oxide?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The net ionic equation for the reaction of barium chloride and sodium sulfate is shown below. Ba2+(aq) + SO42-(aq) → BaSO4(s) Chloride and sodium ions are referred to as ________ ions because they are not involved in the reaction.

Correct AnswerverifiedShow Answer

The oxidation number of chlorine is highest in which of the following?

Correct AnswerverifiedShow Answer

A(n) _____ agent gains electrons in an oxidation-reduction reaction.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The net ionic equation for the reaction of barium chloride and sodium sulfate is shown below. Ba²⁺(aq) + SO₄^2-(aq) → BaSO₄(s) Chloride and sodium ions are referred to as ________ ions because they are not involved in the reaction.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified