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Electrochemical Cells Quiz

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Questions and Answers

What type of reaction occurs in an electrolytic cell?

Non-spontaneous redox reaction (correct)

Neutralization reaction

Spontaneous redox reaction

Combustion reaction

What is the primary function of a salt bridge in a galvanic cell?

To separate the two electrolyte solutions and prevent them from mixing (correct)

To measure the potential difference between the electrodes

To facilitate the flow of electrons between the electrodes

To provide electrical contact between the two electrodes

What is the purpose of the zinc rod in a Daniel cell?

To measure the potential difference between the electrodes

To provide electrical contact between the two electrodes

To act as the anode and undergo oxidation (correct)

To act as the cathode and undergo reduction

What is the term for the potential arising at the anode due to oxidation in a galvanic cell?

Oxidation potential Signup and view all the answers

What is the primary difference between a galvanic cell and an electrolytic cell?

The conversion of energy types Signup and view all the answers

What is the function of the copper rod in a Daniel cell?

To act as the cathode and undergo reduction Signup and view all the answers

What is the primary function of a galvanic cell?

To store electrical energy through electrochemical reactions Signup and view all the answers

During an electrochemical reaction, what happens to the anode?

It loses electrons to the external circuit Signup and view all the answers

What is the primary characteristic of an effective anodic material?

Good conductivity and stability Signup and view all the answers

What is the purpose of the separator in an electrochemical cell?

To separate the anode and cathode Signup and view all the answers

What type of reaction occurs at the cathode during an electrochemical reaction?

Reduction reaction Signup and view all the answers

What is the role of the electrolyte in an electrochemical cell?

To enable the transfer of ions between electrodes Signup and view all the answers

Which electrode in an electrochemical cell has a positive charge?

Cathode Signup and view all the answers

What type of reaction occurs at the anode in an electrochemical cell?

Oxidation Signup and view all the answers

What is the purpose of an electrochemical cell?

To convert chemical energy into electrical energy Signup and view all the answers

What is the term for the loss of electrons or an increase in oxidation state by a molecule, atom, or ion?

Oxidation Signup and view all the answers

Which type of electrochemical cell involves the conversion of electrical energy into chemical energy?

Electrolytic cell Signup and view all the answers

What is the term for the gain of electrons or a decrease in oxidation state by a molecule, atom, or ion?

Reduction Signup and view all the answers