Electrochemical Cell-Multiple Choice Questions Quiz

Question 1: What is an electrochemical cell?

(a) A device that converts mechanical energy into electrical energy
(b) A device that converts heat energy into electrical energy
(c) A device that converts chemical energy into electrical energy
(d) A device that converts light energy into electrical energy

Question 2: In an electrochemical cell, what is the function of the electrolyte?

(a) To generate electrical energy
(b) To conduct electricity between electrodes
(c) To store electrical energy
(d) To prevent chemical reactions

Question 3: Which electrode in an electrochemical cell undergoes oxidation?

(a) Anode
(b) Cathode
(c) Both anode and cathode
(d) Neither anode nor cathode

Question 4: Which electrode in an electrochemical cell is the site of reduction?

(a) Anode
(b) Cathode
(c) Both anode and cathode
(d) Neither anode nor cathode

Question 5: In a galvanic (voltaic) cell, where does the spontaneous redox reaction occur?

(a) Anode
(b) Cathode
(c) Both anode and cathode
(d) Neither anode nor cathode

Question 6: Which type of electrochemical cell generates electrical energy from a spontaneous redox reaction?

(a) Electrolytic cell
(b) Galvanic cell (voltaic cell)
(c) Fuel cell
(d) Photoelectrochemical cell

Question 7: In an electrolytic cell, what is the source of electrical energy for driving a non-spontaneous redox reaction?

(a) Chemical reactions within the cell
(b) Solar panels
(c) External electrical source
(d) Heat energy

Question 8: What is the role of the salt bridge in an electrochemical cell?

(a) To generate electrical energy
(b) To conduct electricity between electrodes
(c) To prevent chemical reactions
(d) To connect the cell to an external power source

Question 9: Which type of electrochemical cell is commonly used to power electronic devices like calculators and watches?

(a) Galvanic cell
(b) Electrolytic cell
(c) Fuel cell
(d) Photoelectrochemical cell

Question 10: What type of electrochemical cell involves the conversion of chemical energy from a fuel directly into electrical energy?

(a) Galvanic cell
(b) Electrolytic cell
(c) Fuel cell
(d) Photoelectrochemical cell

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Results:

Total score: /10

Answer key:

Question 1: c

Question 2: b

Question 3: a

Question 4: b

Question 5: c

Question 6: b

Question 7: c

Question 8: b

Question 9: a

Question 10: c