Question 1

Metals that do not dissolve in non-oxidizing acids are found at the ________ of the activity series.

Accepted Answer

The answer of Metals that do not dissolve in non-oxidizing...

Question 2

What is the oxidation number change for the manganese atom in the following unbalanced reduction half reaction?
MnO4-(aq)+ H+(aq)→ Mn2+(aq)+ H2O(l)

Accepted Answer

A) -7 
B) -5 
C) +5 
D) +7 
A) -7 
B) -5 
C) +5 
D) +7

Question 3

HBr,HCl,HClO4,KBr,and NaCl 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 4

Which of the compounds H2C2O4,Ca(OH)2,KOH,and HI,behave as bases when they are dissolved in water?

Accepted Answer

A) Ca(OH)2 and KOH 
B) H2C2O4 and H I 
C) only H I 
D) only KOH 
A) Ca(OH)2 and KOH 
B) H2C2O4 and H I 
C) only H I 
D) only KOH

Question 5

The oxidation number of hydrogen in CaH2 is ________.

Accepted Answer

Question 6

What ion is provided when Arrhenius bases dissolve in water?

Accepted Answer

A) H+ 
B) Na+ 
C) Cl- 
D) OH- 
A) H+ 
B) Na+ 
C) Cl- 
D) OH-

Question 7

What reagent would distinguish between Ba2+ and Pb2+?

Accepted Answer

A) NaCl 
B) NaNO3 
C) Na2SO4 
D) Na2S2O3 
A) NaCl 
B) NaNO3 
C) Na2SO4 
D) Na2S2O3

Question 8

Which pair of compounds is soluble in water?

Accepted Answer

A) Ag Cl and AgBr 
B) CoS and K2S 
C) NaI and Cu(NO3)2 
D) NH4NO3 and BaCO3 
A) Ag Cl and AgBr 
B) CoS and K2S 
C) NaI and Cu(NO3)2 
D) NH4NO3 and BaCO3

Question 9

What is the oxidation number of the chromium atom in K2Cr2O4 ?

Accepted Answer

A) -2 
B) +2 
C) +6 
D) +7 
A) -2 
B) +2 
C) +6 
D) +7

Question 10

Determine the number of water molecules necessary to balance the following chemical equation.
Cr2O72-(aq)+ Cl-(aq)+ H+(aq)→ Cr3+(aq)+ Cl2(g)+ _____ H2O(l)

Accepted Answer

A) 3 
B) 5 
C) 7 
D) 14 
A) 3 
B) 5 
C) 7 
D) 14

Question 11

Determine the number of water molecules necessary to balance the reduction half reaction of
____ MnO4-(aq)→ ____ Mn2+(aq)that occurs in an acidic solution.

Accepted Answer

A) 2 
B) 4 
C) 5 
D) 7 
A) 2 
B) 4 
C) 5 
D) 7

Question 12

Which of the following compounds is an Arrhenius base?

Accepted Answer

A) CH3OH 
B) CH3CO2H 
C) HOCl 
D) CsOH 
A) CH3OH 
B) CH3CO2H 
C) HOCl 
D) CsOH

Question 13

Write a balanced net ionic equation for the reaction of H2SO4(aq)with Ba(OH)2(aq).

Accepted Answer

A) H2SO4(aq)+ Ba(OH)2(aq)→ BaSO4(s)+ 2 H2O(l) 
B) 2 H+(aq)+ SO42-(aq)+ Ba2+(aq)+ 2 OH-(aq)→ BaSO4(s)+ 2 H2O(l) 
C) H+(aq)+ OH+(aq)→ H2O(l) 
D) Ba2+(aq)+ SO42-(aq)→ BaSO4(s) 
A) H2SO4(aq)+ Ba(OH)2(aq)→ BaSO4(s)+ 2 H2O(l) 
B) 2 H+(aq)+ SO42-(aq)+ Ba2+(aq)+ 2 OH-(aq)→ BaSO4(s)+ 2 H2O(l) 
C) H+(aq)+ OH+(aq)→ H2O(l) 
D) Ba2+(aq)+ SO42-(aq)→ BaSO4(s)

Question 14

The reaction C6H12O6(s)+ 6 O2(g)→ 6 CO2(g)+ 6 H2O(l)is best classified as a(n)

Accepted Answer

A) acid-base neutralization reaction. 
B) double replacement reaction. 
C) oxidation-reduction reaction. 
D) precipitation reaction. 
A) acid-base neutralization reaction. 
B) double replacement reaction. 
C) oxidation-reduction reaction. 
D) precipitation reaction.

Question 15

Write a net ionic equation for the neutralization reaction of H3PO4(aq)with Ba(OH)2(aq).

Accepted Answer

A) 2 H3PO4(aq)+ 3 Ba(OH)2(aq)→ Ba3(PO4)2(s)+ 6 H2O(l) 
B) 2 H3PO4(aq)+ 3 Ba2+(aq)+ 6 OH-(aq)→ Ba3(PO4)2(s)+ 6 H2O(l) 
C) 6 H+(aq)+ 2 PO43-(aq)+ 3 Ba2+(aq)+ 6 OH-(aq)→ Ba3(PO4)2(s)+ 6 H2O(l) 
D) H+(aq)+ OH-(aq)→ H2O(l) 
A) 2 H3PO4(aq)+ 3 Ba(OH)2(aq)→ Ba3(PO4)2(s)+ 6 H2O(l) 
B) 2 H3PO4(aq)+ 3 Ba2+(aq)+ 6 OH-(aq)→ Ba3(PO4)2(s)+ 6 H2O(l) 
C) 6 H+(aq)+ 2 PO43-(aq)+ 3 Ba2+(aq)+ 6 OH-(aq)→ Ba3(PO4)2(s)+ 6 H2O(l) 
D) H+(aq)+ OH-(aq)→ H2O(l)

Question 16

What are the coefficients in front of NO3-(aq)and Zn(s)when the following equation is balanced in a basic solution?
_____ NO3-(aq)+ _____ Zn(s)→ _____ Zn2+(aq)+ _____ NO(g)

Accepted Answer

A) 2,3 
B) 2,5 
C) 3,2 
D) 3,4 
A) 2,3 
B) 2,5 
C) 3,2 
D) 3,4

Question 17

Which of the following compounds is not an Arrhenius acid?

Accepted Answer

A) CH3CO2H 
B) C H3CH2NH2 
C) HNO2 
D) H2SO4 
A) CH3CO2H 
B) C H3CH2NH2 
C) HNO2 
D) H2SO4

Question 18

The acids HNO3 and HNO2 are named ________ and ________,respectively.

Accepted Answer

nitric aci

Question 19

The mixing of which pair of reactants will result in a precipitation reaction?

Accepted Answer

A) Ba(NO3)2(aq)+ Na2CO3(aq) 
B) K2SO4(aq)+ Cu(NO3)2(aq) 
C) NaClO4(aq)+ (NH4)2S(aq) 
D) NH4Br(aq)+ NH4I(aq) 
A) Ba(NO3)2(aq)+ Na2CO3(aq) 
B) K2SO4(aq)+ Cu(NO3)2(aq) 
C) NaClO4(aq)+ (NH4)2S(aq) 
D) NH4Br(aq)+ NH4I(aq)

Question 20

Based on the positions in the periodic table of elements A,B,and C,which of the following reactions would you expect to occur?

Accepted Answer

A) A2+ + B → A + B2+ 
B) B2+ + C → B + C2+ 
C) C2+ + A → C + A2+ 
D) None of the reactions would be expected to occur. 
A) A2+ + B → A + B2+ 
B) B2+ + C → B + C2+ 
C) C2+ + A → C + A2+ 
D) None of the reactions would be expected to occur.

Exam 4: Reactions in Aqueous Solutions

Metals that do not dissolve in non-oxidizing acids are found at the ________ of the activity series.

What is the oxidation number change for the manganese atom in the following unbalanced reduction half reaction? MnO4-(aq)+ H+(aq)→ Mn2+(aq)+ H2O(l)

HBr,HCl,HClO4,KBr,and NaCl are all classified as

Which of the compounds H2C2O4,Ca(OH)2,KOH,and HI,behave as bases when they are dissolved in water?

The oxidation number of hydrogen in CaH2 is ________.

What ion is provided when Arrhenius bases dissolve in water?

What reagent would distinguish between Ba2+ and Pb2+?

Which pair of compounds is soluble in water?

What is the oxidation number of the chromium atom in K2Cr2O4 ?

Determine the number of water molecules necessary to balance the following chemical equation. Cr2O72-(aq)+ Cl-(aq)+ H+(aq)→ Cr3+(aq)+ Cl2(g)+ _____ H2O(l)

Determine the number of water molecules necessary to balance the reduction half reaction of ____ MnO4-(aq)→ ____ Mn2+(aq)that occurs in an acidic solution.

Which of the following compounds is an Arrhenius base?

Write a balanced net ionic equation for the reaction of H2SO4(aq)with Ba(OH)2(aq).

The reaction C6H12O6(s)+ 6 O2(g)→ 6 CO2(g)+ 6 H2O(l)is best classified as a(n)

Write a net ionic equation for the neutralization reaction of H3PO4(aq)with Ba(OH)2(aq).

What are the coefficients in front of NO3-(aq)and Zn(s)when the following equation is balanced in a basic solution? _____ NO3-(aq)+ _____ Zn(s)→ _____ Zn2+(aq)+ _____ NO(g)

Which of the following compounds is not an Arrhenius acid?

The acids HNO3 and HNO2 are named ________ and ________,respectively.

The mixing of which pair of reactants will result in a precipitation reaction?

Based on the positions in the periodic table of elements A,B,and C,which of the following reactions would you expect to occur?

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

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Filters

What is the oxidation number change for the manganese atom in the following unbalanced reduction half reaction? MnO₄^-(aq)+ H⁺(aq)→ Mn²⁺(aq)+ H₂O(l)

HBr,HCl,HClO₄,KBr,and NaCl are all classified as

Which of the compounds H₂C₂O₄,Ca(OH)₂,KOH,and HI,behave as bases when they are dissolved in water?

The oxidation number of hydrogen in CaH₂ is ________.

What reagent would distinguish between Ba²⁺ and Pb²⁺?

What is the oxidation number of the chromium atom in K₂Cr₂O₄?

Determine the number of water molecules necessary to balance the following chemical equation. Cr₂O₇^2-(aq)+ Cl^-(aq)+ H⁺(aq)→ Cr³⁺(aq)+ Cl₂(g)+ _____ H₂O(l)

Determine the number of water molecules necessary to balance the reduction half reaction of MnO₄^-(aq)→ Mn²⁺(aq)that occurs in an acidic solution.

Write a balanced net ionic equation for the reaction of H₂SO₄(aq)with Ba(OH)₂(aq).

The reaction C₆H₁₂O₆(s)+ 6 O₂(g)→ 6 CO₂(g)+ 6 H₂O(l)is best classified as a(n)

Write a net ionic equation for the neutralization reaction of H₃PO₄(aq)with Ba(OH)₂(aq).

What are the coefficients in front of NO₃^-(aq)and Zn(s)when the following equation is balanced in a basic solution? ___ NO₃^-(aq)+ _ Zn(s)→ _ Zn²⁺(aq)+ ___ NO(g)

The acids HNO₃ and HNO₂ are named and ,respectively.