Which statement is true the reducing agent reduces another...

Which statement is true? The reducing agent reduces another substance (and is itself oxidized). In a reaction, oxidation can occur independently of reduction. If any of the reactants or products in a reaction contain oxygen, the reaction is a redox reaction. A redox reaction involves either the transfer of an electron or a change in the oxidation state of an element.

Transcript

00:02 Hi there.

00:03 This question is about oxidation reduction reactions, simply known as redox when we abbreviate that.

00:19 So in redox reactions, one element is oxidized and one is reduced.

00:28 Oxidation means a loss of electrons.

00:33 So a loss of one or more electrons.

00:41 When an element loses electrons, since electrons are negatively charged, its oxidation number will increase.

00:57 The substance that is oxidized is known as the reducing agent because it's the substance that causes the other element to become reduced.

01:07 Just like a cleaning agent is something that cleans something else.

01:11 So a reducing agent reduces something else.

01:14 All right, the other half of oxidation, you cannot have oxidation without reduction because those electrons that are lost have to go somewhere.

01:23 And that is the other half of this.

01:25 Known as reduction.

01:26 Reduction is a gain of electrons.

01:30 So a gain of one or more electrons.

01:37 If you gain electrons, which are negatively charged, the oxidation number is going to decrease.

01:58 All right.

01:58 And the substance that is oxidized is referred to, or i'm sorry, the substance that is reduced is referred to as the oxidizing agent.

02:12 All right.

02:12 With this information, we should be able to answer this question.

02:19 So there are four possible answers here.

02:23 I'm just going to label them a, b, c, and d in order, so we know which one we're talking about.

02:29 So the first one says, in a reaction, oxidation can occur independently of reduction.

02:35 Well, that is false...

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