Electrochemistry

Chemistry Electrochemistry MCQs with Answers

Welcome to the Chemistry Electrochemistry MCQs with Answers, it helps learners quickly identify areas for improvement in Chemistry Electrochemistry Online Test.

Electrochemistry is a branch of chemistry that studies the relationship between chemical reactions and electricity. It explores how chemical reactions can be driven by applying electrical energy or how electrical energy can be generated from spontaneous chemical reactions. This field is pivotal in understanding batteries, corrosion processes, electrolysis, and electroplating.

In an electrochemistry quiz, MCQs on electrochemistry typically cover fundamental concepts and applications. Redox reactions multiple choice questions focus on oxidation-reduction processes, including identifying oxidizing and reducing agents, balancing redox equations, and predicting reaction spontaneity.

Electrochemical cells MCQs delve into different types of electrochemical cells, such as galvanic cells (voltaic cells) and electrolytic cells, emphasizing their construction, operation principles, and applications.

Electrode potentials exam questions explore the measurement and significance of electrode potentials in predicting the direction and feasibility of redox reactions. This includes understanding standard electrode potentials and their relation to cell potentials in electrochemical cells.

Galvanic cells MCQs examine the factors affecting cell potential, including concentration gradients, temperature, and electrode materials.

Chemistry Electrochemistry Online Quiz

By presenting 3 options to choose from, Chemistry Electrochemistry Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Chemistry Electrochemistry Questions and Answers and click over the correct answer.

  • Test Name: Chemistry Electrochemistry MCQ Quiz Practice
  • Type: Quiz Test
  • Total Questions: 40
  • Total Marks: 40
  • Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quiz, simply click on question and comment below that question, so that we can update the answer in the quiz section.

Chemistry Electrochemistry MCQs

Chemistry Electrochemistry

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1 / 40

What is the standard unit of cell potential?

2 / 40

What is the electrode where reduction occurs in an electrochemical cell?

3 / 40

Which of the following is not a product of the electrolysis of water?

4 / 40

What is the electrode at which oxidation occurs called?

5 / 40

Which law states that the product of the masses of the ions liberated at the electrodes during electrolysis is directly proportional to their chemical equivalent weights?

6 / 40

What is a substance that conducts electricity when dissolved in water?

7 / 40

The process of conversion of chemical energy into electrical energy is called ________.

8 / 40

Faraday's first law of electrolysis states that the mass of the substance deposited or liberated at an electrode during electrolysis is directly proportional to the __________.

9 / 40

In a galvanic cell, oxidation occurs at the ________.

10 / 40

The electrode at which reduction occurs during electrolysis is called the __________.

11 / 40

What is the chemical symbol for the ion released during the oxidation of chloride ions?

12 / 40

What is the process in which electrical energy is converted into chemical energy in an electrochemical cell?

13 / 40

What is the tendency of a species to lose electrons and be oxidized?

14 / 40

What is the measure of the ability of an electrolyte solution to conduct electricity?

15 / 40

What is a solution that conducts electricity due to the presence of ions?

16 / 40

Which of the following is not a primary cell?

17 / 40

What is the tendency of a species to gain electrons and be reduced?

18 / 40

What is the electrode potential of a half-cell when the concentration of its ions is 1 M and the pressure of gases is 1 atm?

19 / 40

What is the electrode where oxidation occurs in an electrochemical cell?

20 / 40

What is the potential difference required to reduce a species at the cathode of an electrochemical cell?

21 / 40

What is the potential difference between two electrodes in an electrochemical cell?

22 / 40

Which of the following is not a good conductor of electricity?

23 / 40

What is the process of using an external source of electricity to drive a non-spontaneous chemical reaction?

24 / 40

What is the process of depositing a thin layer of metal onto an object using electrolysis?

25 / 40

What is the potential difference required to drive a non-spontaneous reaction in an electrochemical cell?

26 / 40

What is the potential difference required to oxidize a species at the anode of an electrochemical cell?

27 / 40

The movement of ions in a solution under the influence of an electric field is called __________.

28 / 40

The process of converting a substance from its ionic form to its metallic form is called ____________.

29 / 40

What is the branch of chemistry that deals with the study of the interchange of chemical and electrical energy?

30 / 40

The SI unit of electric charge is __________.

31 / 40

Which of the following is not a factor affecting the electrode potential?

32 / 40

What is a device that converts electrical energy into chemical energy?

33 / 40

The standard electrode potential of hydrogen is taken as ___________V.

34 / 40

What is the process of coating a metal object with a thin layer of zinc to prevent corrosion?

35 / 40

The device used to measure the potential difference between two electrodes is called a __________.

36 / 40

The process of depositing a layer of one metal over another by means of electrolysis is called ____________.

37 / 40

The process in which a chemical substance gains electrons is called _________.

38 / 40

What is the SI unit of electrical conductance?

39 / 40

What is a device that converts chemical energy into electrical energy?

40 / 40

What is the movement of ions in an electrolyte solution under the influence of an electric field?

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Chemistry Electrochemistry Flashcards

The electrode at which reduction occurs during electrolysis is called the __________.

Cathode

Which law states that the product of the masses of the ions liberated at the electrodes during electrolysis is directly proportional to their chemical equivalent weights?

Faraday's second law

The process of converting a substance from its ionic form to its metallic form is called ____________.

Reduction

What is the chemical symbol for the ion released during the oxidation of chloride ions?

Cl^-

The device used to measure the potential difference between two electrodes is called a __________.

Voltmeter

Which of the following is not a product of the electrolysis of water?

Hydrogen

The movement of ions in a solution under the influence of an electric field is called __________.

Electrolysis

Which of the following is not a factor affecting the electrode potential?

Temperature

In a galvanic cell, oxidation occurs at the ________.

Anode

Faraday's first law of electrolysis states that the mass of the substance deposited or liberated at an electrode during electrolysis is directly proportional to the __________.

Current

The process of depositing a layer of one metal over another by means of electrolysis is called ____________.

Electroplating

The standard electrode potential of hydrogen is taken as ___________V.

-1.23

Which of the following is not a primary cell?

Zinc-Carbon

What is the electrode at which oxidation occurs called?

Anode

The process in which a chemical substance gains electrons is called _________.

Reduction

The SI unit of electric charge is __________.

Coulomb

Which of the following is not a good conductor of electricity?

Distilled water

The process of conversion of chemical energy into electrical energy is called ________.

Electrolysis

What is the electrode potential of a half-cell when the concentration of its ions is 1 M and the pressure of gases is 1 atm?

Standard electrode potential

What is the potential difference required to drive a non-spontaneous reaction in an electrochemical cell?

Electrolysis potential

What is the potential difference required to reduce a species at the cathode of an electrochemical cell?

Reduction potential

What is the potential difference required to oxidize a species at the anode of an electrochemical cell?

Oxidation potential

What is the tendency of a species to lose electrons and be oxidized?

Oxidation potential

What is the tendency of a species to gain electrons and be reduced?

Reduction potential

What is the standard unit of cell potential?

Volts (V)

What is the potential difference between two electrodes in an electrochemical cell?

Cell potential

What is the process of coating a metal object with a thin layer of zinc to prevent corrosion?

Galvanization

What is the process of using an external source of electricity to drive a non-spontaneous chemical reaction?

Electrolysis

What is the process of depositing a thin layer of metal onto an object using electrolysis?

Electroplating

What is the movement of ions in an electrolyte solution under the influence of an electric field?

Electrolysis

What is the SI unit of electrical conductance?

Siemens (S)

What is the measure of the ability of an electrolyte solution to conduct electricity?

Conductivity

What is a solution that conducts electricity due to the presence of ions?

Electrolyte

What is a substance that conducts electricity when dissolved in water?

Electrolyte

What is the electrode where reduction occurs in an electrochemical cell?

Cathode

What is the electrode where oxidation occurs in an electrochemical cell?

Anode

What is a device that converts electrical energy into chemical energy?

Electrolytic cell

What is a device that converts chemical energy into electrical energy?

Galvanic cell

What is the process in which electrical energy is converted into chemical energy in an electrochemical cell?

Electrolysis

What is the branch of chemistry that deals with the study of the interchange of chemical and electrical energy?

Electrochemistry

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