Redox Reactions and Electrochemistry Quiz

Challenge yourself with 17 questions on redox reactions and electrochemistry. Explore oxidation states, electrode potentials, and more!

Practice Learn Test

What is the oxidation state of oxygen in H2O2?

-1

-2

1 answered

In the reaction Zn + CuSO4 → ZnSO4 + Cu, which species is being oxidized?

CuSO4

ZnSO4

Which of the following is true about a reducing agent?

It gains electrons

It loses electrons

It donates protons

It accepts protons

What is the chemical formula of permanganate ion?

MnO

MnO2

MnO4^-

MnO3

What is the half-reaction for the reduction of silver ions to silver metal?

Ag⁺ + e⁻ → Ag

Ag → Ag⁺ + e⁻

Ag → AgCl

Ag⁺ → AgCl + e⁻

Which of the following is a disproportionation reaction?

2H₂O → 2H₂ + O₂

2Na + Cl₂ → 2NaCl

2H₂O₂ → 2H₂O + O₂

2HCl + Zn → ZnCl₂ + H₂

What is the standard electrode potential of hydrogen electrode?

-0.76 V

0.00 V

+0.34 V

+1.23 V

Which of the following is a strong oxidizing agent?

H2O2

Cl2

SO2

What is the standard reduction potential of copper electrode?

-0.34 V

+0.80 V

+0.34 V

-0.76 V

#10

Which of the following is a primary battery?

Lead-acid battery

Lithium-ion battery

Alkaline battery

Zinc-carbon battery

#11

What is the standard electrode potential of standard hydrogen electrode (SHE) at 25°C?

-0.76 V

0.00 V

+0.34 V

+1.23 V

#12

Which of the following is an example of a non-spontaneous redox reaction?

Burning of methane (CH₄)

Rusting of iron (Fe)

Electrolysis of water (H₂O)

Neutralization of acid and base

#13

In a galvanic cell, where does oxidation occur?

Anode

Cathode

Salt bridge

Electrolyte

#14

What is the Nernst equation used for?

To calculate equilibrium constant

To calculate cell potential under non-standard conditions

To calculate pH of a solution

To calculate rate constant of a reaction

#15

What is the function of a salt bridge in an electrochemical cell?

To complete the circuit

To allow ions to move between half-cells

To prevent the mixing of electrolytes

To increase the voltage of the cell

#16

In a voltaic cell, what drives the flow of electrons through the external circuit?

Reduction at the cathode

Oxidation at the anode

Salt bridge

Electrolyte

1 answered

#17

What is the function of the porous barrier in a fuel cell?

To prevent the flow of electrons

To allow the flow of ions while blocking the flow of electrons

To separate the anode and cathode compartments

To regulate the temperature of the cell

Redox Reactions and Electrochemistry Quiz

What is the oxidation state of oxygen in H2O2?

In the reaction Zn + CuSO4 → ZnSO4 + Cu, which species is being oxidized?

Which of the following is true about a reducing agent?

What is the chemical formula of permanganate ion?

What is the half-reaction for the reduction of silver ions to silver metal?

Which of the following is a disproportionation reaction?

What is the standard electrode potential of hydrogen electrode?

Which of the following is a strong oxidizing agent?

What is the standard reduction potential of copper electrode?

Which of the following is a primary battery?

What is the standard electrode potential of standard hydrogen electrode (SHE) at 25°C?

Which of the following is an example of a non-spontaneous redox reaction?

In a galvanic cell, where does oxidation occur?

What is the Nernst equation used for?

What is the function of a salt bridge in an electrochemical cell?

In a voltaic cell, what drives the flow of electrons through the external circuit?

What is the function of the porous barrier in a fuel cell?

Quiz Questions with Answers

Test Your Knowledge

Popular Quizzes in Electrochemistry

Popular Quizzes in Chemistry

Other Quizzes to Explore