If aqueous solutions of KMnO4, FeSO4 and H2SO4, are mixed, which ions are spectator ions? 2KMnO4(aq) + 10FeSO4(aq) + 8H2SO4(aq) → K2SO4(aq) + 2MnSO4(aq) + 5Fe2(SO4)3(aq) + 8H2O(l)

A) only K+ B) only SO42- C) only K+ and SO42- D) only K+, SO42-, and Fe2+ E) only K+, SO42-, Fe2+, and Mn2+ A) only K+ B) only SO42- C) only K+ and SO42- D) only K+, SO42-, and Fe2+ E) only K+, SO42-, Fe2+, and Mn2+ C

What is the reducing agent in the following reaction? 5Fe2+(aq) + MnO4-(aq) + 8H+(aq) → 5Fe3+(aq) + Mn2+(aq) + 4H2O(l)

A) Fe2+ B) MnO4- C) H+ D) Mn2+ E) Fe3+ A) Fe2+ B) MnO4- C) H+ D) Mn2+ E) Fe3+ A

Identify the reducing agent in the chemical reaction Cd + NiO2 + 2H2O → Cd(OH)2 + Ni(OH)2

A) Cd B) NiO2 C) H2O D) Cd(OH)2 E) Ni(OH)2 A) Cd B) NiO2 C) H2O D) Cd(OH)2 E) Ni(OH)2

If aqueous solutions of Ba(OH)2 and HNO3 are mixed, what products are formed?

A) BaN2(s) + H2O(l) B) Ba(NO3)2(aq) + H2O(l) C) Ba(s) + H2(g) + NO2(g) D) Ba2O(s) + NO2(g) + H2O(l) E) Ba3N2(s) + H2O(l) A) BaN2(s) + H2O(l) B) Ba(NO3)2(aq) + H2O(l) C) Ba(s) + H2(g) + NO2(g) D) Ba2O(s) + NO2(g) + H2O(l) E) Ba3N2(s) + H2O(l)

A 34.62-mL sample of 0.1510 M NaOH was needed to neutralize 50.0 mL of an H2SO4 solution. What is the concentration of the original sulfuric acid solution?

A) 0.0229 M B) 0.218 M C) 0.0523 M D) 0.209 M E) 0.105 M A) 0.0229 M B) 0.218 M C) 0.0523 M D) 0.209 M E) 0.105 M

Identify the oxidizing agent in the chemical reaction 2MnO4- + 5H2SO3→ 2Mn2+ + 5SO42- + 4H+ + 3H2O.

A) MnO4- B) H2SO3 C) Mn2+ D) SO42- E) H+ A) MnO4- B) H2SO3 C) Mn2+ D) SO42- E) H+

Exam 4: Reactions in Aqueous Solutions

Explore all topics

If aqueous solutions of KMnO₄, FeSO₄ and H₂SO_4, are mixed, which ions are spectator ions? 2KMnO₄(aq) + 10FeSO₄(aq) + 8H₂SO₄(aq) → K₂SO₄(aq) + 2MnSO₄(aq) + 5Fe₂(SO₄)₃(aq) + 8H₂O(l)

Free

(Multiple Choice)

4.9/5

(75)

Question 1

Correct Answer:

Verified

What is the reducing agent in the following reaction? 5Fe²⁺(aq) + MnO₄^-(aq) + 8H⁺(aq) → 5Fe³⁺(aq) + Mn²⁺(aq) + 4H₂O(l)

Free

(Multiple Choice)

4.9/5

(93)

Question 2

Correct Answer:

Verified

What volume of water must be added to 300 mL of 0.75 M HCl to dilute the solution to 0.25 M?

Free

(Multiple Choice)

4.9/5

(85)

Question 3

Correct Answer:

Verified

Identify the reducing agent in the chemical reaction Cd + NiO₂ + 2H₂O → Cd(OH)₂ + Ni(OH)₂

(Multiple Choice)

4.9/5

(89)

Question 4

Balance the following oxidation-reduction equation: Al(s) + Ag⁺(aq) → Al³⁺(aq) + Ag(s)

(Multiple Choice)

4.8/5

(88)

Question 5

If aqueous solutions of Ba(OH)₂ and HNO₃ are mixed, what products are formed?

(Multiple Choice)

4.8/5

(75)

Question 6

An electrolyte is a substance that dissolves in water to yield a solution that conducts electricity.

(True/False)

4.9/5

(70)

Question 7

A(n) is oxidized during a redox reaction and causes another substance to undergo reduction.

(Short Answer)

4.8/5

(77)

Question 8

Which one of the following is a strong acid?

(Multiple Choice)

4.8/5

(76)

Question 9

Which of the following is a correct description of a solution?

(Multiple Choice)

4.8/5

(67)

Question 10

What is the net ionic equation for the reaction that occurs when aqueous solutions of Pb(NO₃)₂ and NH₄Cl are mixed?

(Multiple Choice)

4.9/5

(81)

Question 11

A 34.62-mL sample of 0.1510 M NaOH was needed to neutralize 50.0 mL of an H₂SO₄ solution. What is the concentration of the original sulfuric acid solution?

(Multiple Choice)

4.9/5

(75)

Question 12

The oxidation number for a pure element is always zero.

(True/False)

4.7/5

(80)

Question 13

Which salt is produced by the neutralization of potassium hydroxide with sulfuric acid?

(Multiple Choice)

4.9/5

(90)

Question 14

Which salt is produced by the neutralization of hydrobromic acid with magnesium hydroxide?

(Multiple Choice)

5.0/5

(81)

Question 15

Complete the following reaction and identify the Brønsted base: NaOH(aq) + HCl(aq) →

(Multiple Choice)

4.8/5

(99)

Question 16

Which is the net ionic equation for the reaction between aqueous solutions of lithium hydroxide and hydrobromic acid? LiOH(aq) + HBr(aq) → H₂O(l) + LiBr(aq)

(Multiple Choice)

5.0/5

(76)

Question 17

Which of the following is a weak acid?

(Multiple Choice)

4.8/5

(80)

Question 18

Starting with a 1.35 M HCl stock solution, five standard solutions are prepared by sequentially diluting 5.00 mL of each solution to 100.0 mL. What is the concentration of the final solution?

(Multiple Choice)

4.9/5

(79)

Question 19

Identify the oxidizing agent in the chemical reaction 2MnO₄^- + 5H₂SO₃→ 2Mn²⁺ + 5SO₄^2-+ 4H⁺ + 3H₂O.

(Multiple Choice)

4.8/5

(79)

Question 20

Showing 1 - 20 of 146

Exam 4: Reactions in Aqueous Solutions

If aqueous solutions of KMnO4, FeSO4 and H2SO4, are mixed, which ions are spectator ions? 2KMnO4(aq) + 10FeSO4(aq) + 8H2SO4(aq) → K2SO4(aq) + 2MnSO4(aq) + 5Fe2(SO4)3(aq) + 8H2O(l)

What is the reducing agent in the following reaction? 5Fe2+(aq) + MnO4-(aq) + 8H+(aq) → 5Fe3+(aq) + Mn2+(aq) + 4H2O(l)

What volume of water must be added to 300 mL of 0.75 M HCl to dilute the solution to 0.25 M?

Identify the reducing agent in the chemical reaction Cd + NiO2 + 2H2O → Cd(OH)2 + Ni(OH)2

Balance the following oxidation-reduction equation: Al(s) + Ag+(aq) → Al3+(aq) + Ag(s)

If aqueous solutions of Ba(OH)2 and HNO3 are mixed, what products are formed?

An electrolyte is a substance that dissolves in water to yield a solution that conducts electricity.

A(n) ________ ________ is oxidized during a redox reaction and causes another substance to undergo reduction.

Which one of the following is a strong acid?

Which of the following is a correct description of a solution?

What is the net ionic equation for the reaction that occurs when aqueous solutions of Pb(NO3)2 and NH4Cl are mixed?

A 34.62-mL sample of 0.1510 M NaOH was needed to neutralize 50.0 mL of an H2SO4 solution. What is the concentration of the original sulfuric acid solution?

The oxidation number for a pure element is always zero.

Which salt is produced by the neutralization of potassium hydroxide with sulfuric acid?

Which salt is produced by the neutralization of hydrobromic acid with magnesium hydroxide?

Complete the following reaction and identify the Brønsted base: NaOH(aq) + HCl(aq) →

Which is the net ionic equation for the reaction between aqueous solutions of lithium hydroxide and hydrobromic acid? LiOH(aq) + HBr(aq) → H2O(l) + LiBr(aq)

Which of the following is a weak acid?

Starting with a 1.35 M HCl stock solution, five standard solutions are prepared by sequentially diluting 5.00 mL of each solution to 100.0 mL. What is the concentration of the final solution?

Identify the oxidizing agent in the chemical reaction 2MnO4- + 5H2SO3→ 2Mn2+ + 5SO42- + 4H+ + 3H2O.

Chemistry: the Central Science

Atoms, Molecules, and Ions

Stoichiometry: Ratios of Combination

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Electron Configuration and the Periodic Table

Chemical Bonding I: Basic Concepts

Chemical Bonding II: Molecular Geometry and Bonding Theories

Gases

Intermolecular Forces and the Physical Properties of Liquids and Solids

Modern Materials

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy, Free Energy, and Equilibrium

Electrochemistry

Nuclear Chemistry

Environmental Chemistry

Coordination Chemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Organic Chemistry

Filters

If aqueous solutions of KMnO₄, FeSO₄ and H₂SO_4, are mixed, which ions are spectator ions? 2KMnO₄(aq) + 10FeSO₄(aq) + 8H₂SO₄(aq) → K₂SO₄(aq) + 2MnSO₄(aq) + 5Fe₂(SO₄)₃(aq) + 8H₂O(l)

What is the reducing agent in the following reaction? 5Fe²⁺(aq) + MnO₄^-(aq) + 8H⁺(aq) → 5Fe³⁺(aq) + Mn²⁺(aq) + 4H₂O(l)

Identify the reducing agent in the chemical reaction Cd + NiO₂ + 2H₂O → Cd(OH)₂ + Ni(OH)₂

Balance the following oxidation-reduction equation: Al(s) + Ag⁺(aq) → Al³⁺(aq) + Ag(s)

If aqueous solutions of Ba(OH)₂ and HNO₃ are mixed, what products are formed?

A(n) is oxidized during a redox reaction and causes another substance to undergo reduction.

What is the net ionic equation for the reaction that occurs when aqueous solutions of Pb(NO₃)₂ and NH₄Cl are mixed?

A 34.62-mL sample of 0.1510 M NaOH was needed to neutralize 50.0 mL of an H₂SO₄ solution. What is the concentration of the original sulfuric acid solution?

Which is the net ionic equation for the reaction between aqueous solutions of lithium hydroxide and hydrobromic acid? LiOH(aq) + HBr(aq) → H₂O(l) + LiBr(aq)

Identify the oxidizing agent in the chemical reaction 2MnO₄^- + 5H₂SO₃→ 2Mn²⁺ + 5SO₄^2-+ 4H⁺ + 3H₂O.