Chemical Reactions Unit Test

Question

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Question
An oxidizing-reduction reaction involves the transfer of electrons from one species to another. Which phrase best describes an oxidizing agent?(1 point)
Responses

a substance that provides oxygen in a reaction
a substance that provides oxygen in a reaction

a substance that reacts with oxygen
a substance that reacts with oxygen

a substance that gains an electron in a reaction
a substance that gains an electron in a reaction

a substance that provides electrons to other substances

Answer 1

The phrase that best describes an oxidizing agent is:

a substance that gains an electron in a reaction.

An oxidizing agent is a substance that accepts electrons from another substance, causing that other substance to be oxidized. In the process, the oxidizing agent itself is reduced.