Electrochemistry Quiz

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Questions and Answers

In electrochemistry, what separates the electrodes?

An ionically conducting and electronically insulating electrolyte (correct)
An external electrical circuit
An ionic species in a solution
An electronically-conducting phase

What distinguishes an electrochemical reaction from a conventional chemical reaction?

Electrons are transferred via an electronically-conducting circuit (correct)
Electrons are directly transferred between atoms, ions, or molecules
Electrons are transferred through an electrically insulating electrolyte
Electrons are transferred without the need for an electrical circuit

What is the branch of physical chemistry concerned with the relationship between electrical potential difference and identifiable chemical change?

Electric battery or fuel cell
Electrochemistry (correct)
Electrolysis
Electroless plating

When is a chemical reaction called an electrochemical reaction?

<p>When driven by an electrical potential difference or when a potential difference results from a chemical reaction (B)</p> Signup and view all the answers

How do electrons move in electrochemical reactions?

<p>Via an electronically-conducting phase between electrodes separated by an ionically conducting and electronically insulating electrolyte (A)</p> Signup and view all the answers