Electrolysis and Cell Potentials Quiz

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What is the process in which electrical energy is used to produce a chemical change that would not otherwise occur?

Electrolysis (correct)

Reduction

Oxidation

Conduction

Which type of cell consumes electrical energy to drive a non-spontaneous redox reaction?

Galvanic Cell

Primary Cell

Voltaic Cell

Electrolytic Cell (correct)

According to Faraday’s Law of Electrolysis, what is the weight of products formed during electrolysis proportional to?

The current sent through the electrolyte (correct)

The temperature of the electrolyte

The voltage of the electrolyte

The concentration of the electrolyte

What is the primary application of electrolysis mentioned in the text?

Extracting, purifying, or cleaning metals Signup and view all the answers

In the process of purifying metallic copper using electrolysis, what happens at the cathode?

Pure metal gets deposited Signup and view all the answers

What is the electrolyte used in purifying metallic copper mentioned in the text?

Copper sulfate Signup and view all the answers

What is the process of using electricity to decompose water into oxygen and hydrogen gas called?

Electrochemical water splitting Signup and view all the answers

In the electrolysis of water, what reaction occurs at the cathode?

2H+(aq) + 2e– → H2(g) Signup and view all the answers

What is the product of the overall reaction in the electrolysis of water?

H2O(l) Signup and view all the answers

What is the purpose of electroplating?

Forming a thin coating of material on a conducting surface Signup and view all the answers

What reaction occurs at the cathode during electroplating of metal spoons with silver?

Ag(s) → Ag+(aq) + e– Signup and view all the answers

What reaction occurs at the anode during electroplating of metal spoons with silver?

Ag+(aq) + e– → Ag(s) Signup and view all the answers

What is the overall process of removing metal by an electrochemical process called?

Electroforming Signup and view all the answers

In the electrolysis of molten sodium chloride, what is produced at the cathode?

Na(l) Signup and view all the answers

What is the purpose of using electricity in the electrolysis of water?

To decompose water into oxygen and hydrogen gas Signup and view all the answers

What is collected below the anode in an electrolytic cell?

Anode mud Signup and view all the answers

Electrolysis and Cell Potentials Quiz

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