Question 1

Which elements will react rapidly with aqueous H+ ions and also with liquid H2O?

Accepted Answer

A) Al,Cr,Fe,Mn,Zn 
B) Au,Co,Cu,Ni,Sn 
C) Au,Li,K,Ni,Sn 
D) Ba,Ca,Li,K,Na 
A) Al,Cr,Fe,Mn,Zn 
B) Au,Co,Cu,Ni,Sn 
C) Au,Li,K,Ni,Sn 
D) Ba,Ca,Li,K,Na

Question 2

When the equation below is balanced in acidic solution using the smallest whole numbers,the coefficient in front of the H2O(l)is ________.
Fe2+(aq)+ BrO3-(aq)→ Fe3+(aq)+ Br-(aq)

Accepted Answer

Question 3

Which one of the following compounds is soluble in water?

Accepted Answer

A) Ag3PO4 
B) CuS 
C) Pb(NO3)2 
D) ZnCO3 
A) Ag3PO4 
B) CuS 
C) Pb(NO3)2 
D) ZnCO3

Question 4

When dissolved in water,LiOH behaves as

Accepted Answer

A) an acid that forms Li+ and OH- ions. 
B) an acid that forms LiO- and H+ ions. 
C) a base that forms Li+ and OH- ions. 
D) a base that forms LiO- and H+ ions. 
A) an acid that forms Li+ and OH- ions. 
B) an acid that forms LiO- and H+ ions. 
C) a base that forms Li+ and OH- ions. 
D) a base that forms LiO- and H+ ions.

Question 5

By analogy with the oxoacids of sulfur,H2TeO3 would be named

Accepted Answer

A) hydrotellurous acid. 
B) pertelluric acid. 
C) telluric acid. 
D) tellurous acid. 
A) hydrotellurous acid. 
B) pertelluric acid. 
C) telluric acid. 
D) tellurous acid.

Question 6

The chemical formula for nitrous acid is

Accepted Answer

A) H3N(aq). 
B) H NO2(aq). 
C) H NO3(aq). 
D) H2N2O6(aq). 
A) H3N(aq). 
B) H NO2(aq). 
C) H NO3(aq). 
D) H2N2O6(aq).

Question 7

In the redox reaction 2 S2O32-(aq)+ I3-(aq)→ S4O62-(aq)+ 3 I-(aq),if 18.75 mL of 0.2500 M Na2S2O3 is needed for complete reaction with 15.00 mL of the I3- solution,what is the molar concentration of I3-?

Accepted Answer

Question 8

What reagent could not be used to separate Cl- from OH- when added to an aqueous solution containing both?

Accepted Answer

A) AgNO3(aq) 
B) Ca(NO3)2(aq) 
C) Cu(NO3)2(aq) 
D) Fe(NO3)3(aq) 
A) AgNO3(aq) 
B) Ca(NO3)2(aq) 
C) Cu(NO3)2(aq) 
D) Fe(NO3)3(aq)

Question 9

H Cl ,H I ,H2SO4,Li Cl ,and KI  are all classified as

Accepted Answer

A) acids. 
B) nonelectrolytes. 
C) strong electrolytes. 
D) weak electrolytes. 
A) acids. 
B) nonelectrolytes. 
C) strong electrolytes. 
D) weak electrolytes.

Question 10

The reaction shown below is classified as a(n)________ reaction.
AgNO3(aq)+ HCl(aq)→ AgCl(s)+ HNO3(aq)

Accepted Answer

Question 11

Using the following portion of the activity series for oxidation half-reactions,determine which combination of reactants will result in a reaction.
Na(s)→ Na+(aq)+ e-
Cr(s)→ Cr3+(aq)+ 3e-

Accepted Answer

A) Na(s)with Cr(s) 
B) Na(s)with Cr3+(aq) 
C) Na+(aq)with Cr3+(aq) 
D) Na+(aq)with Cr(s) 
A) Na(s)with Cr(s) 
B) Na(s)with Cr3+(aq) 
C) Na+(aq)with Cr3+(aq) 
D) Na+(aq)with Cr(s)

Question 12

When dissolved in water,of HClO4,Ca(OH)2,KOH,HI,which are bases?

Accepted Answer

A) Ca(OH)2 and KOH 
B) HClO4 and HI 
C) only HI 
D) only KOH 
A) Ca(OH)2 and KOH 
B) HClO4 and HI 
C) only HI 
D) only KOH

Question 13

What is true when the following equation is balanced in basic solution?
P(s)+ PO43-(aq)→ HPO32-(aq)

Accepted Answer

A) H+ appears on the left side of the equation. 
B) H+ appears on the right side of the equation. 
C) OH- appears on the left side of the equation. 
D) OH- appears on the right side of the equation. 
A) H+ appears on the left side of the equation. 
B) H+ appears on the right side of the equation. 
C) OH- appears on the left side of the equation. 
D) OH- appears on the right side of the equation.

Question 14

Assuming complete dissociation,the molar concentration of Cl- ions in 0.250 M CaCl2 is ________.

Accepted Answer

Question 15

The reaction Cu(s)+ 2 HCl(aq)→ CuCl2(aq)+ H2(g)is predicted not to occur because Cu is ________ than H+ in the activity series.

Accepted Answer

Question 16

Assume that an aqueous solution of a cation,represented by shaded spheres,is allowed to mix with a solution of an anion,represented by unshaded spheres.Three possible outcomes are represented by boxes (a)-(c).  
-Which outcome corresponds to the combination of calcium and carbonate ions shown in the following equation?
Ca2+(aq)+ CO32-(aq)→ ?

Accepted Answer

A) box (a) 
B) box (b) 
C) box (c) 
D) None of these 
A) box (a) 
B) box (b) 
C) box (c) 
D) None of these

Question 17

The balanced net ionic equation for the reaction Na2SO4(aq)+ Pb(NO3)2(aq)→ PbSO4(s)+ 2 NaNO3(aq)is ________.

Accepted Answer

Pb²⁺(aq)+ SO

Question 18

When the equation MnO4-(aq)+ C2O42-(aq)→ Mn2+(aq)+ CO2(g)is balanced in acidic solution using the smallest whole numbers,the coefficient in front of the CO2(g)is ________.

Accepted Answer

Question 19

In a solution prepared by mixing CH3OH with H2O the major species present are

Accepted Answer

A) CH3OH and H2O 
B) CH3OH,H+,and OH- 
C) CH3+,OH-,and H2O 
D) CH3O-,H+,and H2O 
A) CH3OH and H2O 
B) CH3OH,H+,and OH- 
C) CH3+,OH-,and H2O 
D) CH3O-,H+,and H2O

Question 20

What is the molarity of a potassium triiodide solution,KI3(aq),if 30.00 mL of the solution is required to completely react with 25.00 mL of a 0.200 M thiosulfate solution,K2S2O3(aq)? The chemical equation for the reaction is:
2 S2O32-(aq)+ I3-(aq)→ S4O62-(aq)+ 3 I-(aq).

Accepted Answer

A) 0)0833 M 
B) 0)120 M 
C) 0)167 M 
D) 0)333 M 
A) 0)0833 M 
B) 0)120 M 
C) 0)167 M 
D) 0)333 M

Exam 4: Reactions in Aqueous Solutions

Which elements will react rapidly with aqueous H+ ions and also with liquid H2O?

When the equation below is balanced in acidic solution using the smallest whole numbers,the coefficient in front of the H2O(l)is ________. Fe2+(aq)+ BrO3-(aq)→ Fe3+(aq)+ Br-(aq)

Which one of the following compounds is soluble in water?

When dissolved in water,LiOH behaves as

By analogy with the oxoacids of sulfur,H2TeO3 would be named

The chemical formula for nitrous acid is

In the redox reaction 2 S2O32-(aq)+ I3-(aq)→ S4O62-(aq)+ 3 I-(aq),if 18.75 mL of 0.2500 M Na2S2O3 is needed for complete reaction with 15.00 mL of the I3- solution,what is the molar concentration of I3-?

What reagent could not be used to separate Cl- from OH- when added to an aqueous solution containing both?

H Cl ,H I ,H2SO4,Li Cl ,and KI are all classified as

The reaction shown below is classified as a(n)________ reaction. AgNO3(aq)+ HCl(aq)→ AgCl(s)+ HNO3(aq)

Using the following portion of the activity series for oxidation half-reactions,determine which combination of reactants will result in a reaction. Na(s)→ Na+(aq)+ e- Cr(s)→ Cr3+(aq)+ 3e-

When dissolved in water,of HClO4,Ca(OH)2,KOH,HI,which are bases?

What is true when the following equation is balanced in basic solution? P(s)+ PO43-(aq)→ HPO32-(aq)

Assuming complete dissociation,the molar concentration of Cl- ions in 0.250 M CaCl2 is ________.

The reaction Cu(s)+ 2 HCl(aq)→ CuCl2(aq)+ H2(g)is predicted not to occur because Cu is ________ than H+ in the activity series.

The balanced net ionic equation for the reaction Na2SO4(aq)+ Pb(NO3)2(aq)→ PbSO4(s)+ 2 NaNO3(aq)is ________.

When the equation MnO4-(aq)+ C2O42-(aq)→ Mn2+(aq)+ CO2(g)is balanced in acidic solution using the smallest whole numbers,the coefficient in front of the CO2(g)is ________.

In a solution prepared by mixing CH3OH with H2O the major species present are

What is the molarity of a potassium triiodide solution,KI3(aq),if 30.00 mL of the solution is required to completely react with 25.00 mL of a 0.200 M thiosulfate solution,K2S2O3(aq)? The chemical equation for the reaction is: 2 S2O32-(aq)+ I3-(aq)→ S4O62-(aq)+ 3 I-(aq).

Chemistry: Matter and Measurement

Atoms, molecules, and Ions

Formulas, equations, and Moles

Periodicity and the Atomic Structure of Atoms

Ionic Bonds and Some Main-Group Chemistry

Covalent Bonds and Molecular Structure

Thermochemistry: Chemical Energy

Gases: Their Properties and Behavior

Liquids,solids,and Phase Changes

Solutions and Their Properties

Chemical Kinetics

Chemical Equilibrium

Aqueous Equilibria: Acids and Bases

Applications of Aqueous Equilibria

Thermodynamics: Entropy, free Energy, and Equilibrium

Electrochemistry

Hydrogen, oxygen, and Water

The Main-Group Elements

Transition Elements and Coordination Chemistry

Metals and Solid-State Materials

Nuclear Chemistry

Organic and Biological Chemistry

Filters

Which elements will react rapidly with aqueous H⁺ ions and also with liquid H₂O?

When the equation below is balanced in acidic solution using the smallest whole numbers,the coefficient in front of the H₂O(l)is ________. Fe²⁺(aq)+ BrO₃^-(aq)→ Fe³⁺(aq)+ Br^-(aq)

By analogy with the oxoacids of sulfur,H₂TeO₃ would be named

In the redox reaction 2 S₂O₃^2-(aq)+ I₃^-(aq)→ S₄O₆^2-(aq)+ 3 I^-(aq),if 18.75 mL of 0.2500 M Na₂S₂O₃ is needed for complete reaction with 15.00 mL of the I₃^- solution,what is the molar concentration of I₃^-?

What reagent could not be used to separate Cl^- from OH^- when added to an aqueous solution containing both?

HCl,H I,H₂SO₄,LiCl,and KI are all classified as

The reaction shown below is classified as a(n)________ reaction. AgNO₃(aq)+ HCl(aq)→ AgCl(s)+ HNO₃(aq)

Using the following portion of the activity series for oxidation half-reactions,determine which combination of reactants will result in a reaction. Na(s)→ Na⁺(aq)+ e^- Cr(s)→ Cr³⁺(aq)+ 3e^-

When dissolved in water,of HClO₄,Ca(OH)₂,KOH,HI,which are bases?

What is true when the following equation is balanced in basic solution? P(s)+ PO₄^3-(aq)→ HPO₃^2-(aq)

Assuming complete dissociation,the molar concentration of Cl^- ions in 0.250 M CaCl₂ is ________.

The reaction Cu(s)+ 2 HCl(aq)→ CuCl₂(aq)+ H₂(g)is predicted not to occur because Cu is ________ than H⁺ in the activity series.

The balanced net ionic equation for the reaction Na₂SO₄(aq)+ Pb(NO₃)₂(aq)→ PbSO₄(s)+ 2 NaNO₃(aq)is ________.

When the equation MnO₄^-(aq)+ C₂O₄^2-(aq)→ Mn²⁺(aq)+ CO₂(g)is balanced in acidic solution using the smallest whole numbers,the coefficient in front of the CO₂(g)is ________.

In a solution prepared by mixing CH₃OH with H₂O the major species present are

What is the molarity of a potassium triiodide solution,KI₃(aq),if 30.00 mL of the solution is required to completely react with 25.00 mL of a 0.200 M thiosulfate solution,K₂S₂O₃(aq)? The chemical equation for the reaction is: 2 S₂O₃^2-(aq)+ I₃^-(aq)→ S₄O₆^2-(aq)+ 3 I^-(aq).