Question

What is a cathode?

   What is a cathode?

Holt Chemistry

R.Thomas Myers,… 1st Edition

Chapter 3, Problem 4

Instant Answer

Solved by Expert Lena Jake

07/20/2019

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Step 1: In an electrical device, there are two electrodes connected to a power source. Show more…

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What is a cathode?

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Key Concepts

Cathode

A cathode is an electrode at which reduction occurs, meaning it is the location in a device like a battery or electrolytic cell where electrons are gained by a substance. This process is essential for the flow of electrons in the system and for driving the overall chemical reaction.

Electrode

An electrode is a conductor through which electrical current enters or leaves a medium, particularly in electrochemical cells. It provides the interface for reactions such as oxidation and reduction to occur, facilitating energy conversion processes.

Reduction Reaction

A reduction reaction is a chemical reaction that involves the gain of electrons by a molecule, atom, or ion. In the context of an electrochemical cell, the cathode is where this reaction takes place, which is critical for the device's functionality.

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