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Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

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BuyFindarrow_forward

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem
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. In each of the following reactions, identify which element is oxidized and which is reduced by assigning oxidation states.

a. C ( s ) + O 2 ( g ) CO 2 ( g )    b. 2CO ( g ) + O 2 ( g ) 2CO 2 ( g )    c. CH 4 ( g ) + 2O 2 ( g ) CO 2 ( g ) + 2H 2 O ( g )    d. C 2 H 2 ( g ) + 2H 2 ( g ) C 2 H 6 ( g )

Interpretation Introduction

(a)

Interpretation:

In the given oxidation-reduction reaction, the species that oxidized and that reduced should be identified.

Concept Introduction:

The oxidation-reduction reaction is also known as a redox reaction. In this reaction, one reactant is oxidized and other is reduced. The balancing of oxidation-reduction reaction can be done by simple method by comparing the number of each atoms on both sides of the reaction arrow without addition of hydrogen ion, water molecule and electrons from outside.

Explanation

In the given reaction, the oxidation state of carbon on left side of the reaction arrow is zero it gets oxidized to + 4 (most common oxidation state) to form CO2

Interpretation Introduction

(b)

Interpretation:

In the given oxidation-reduction reaction, the species that oxidized and that reduced should be identified.

Concept Introduction:

The oxidation-reduction reaction is also known as a redox reaction. In this reaction, one reactant is oxidized and other is reduced. The balancing of oxidation-reduction reaction can be done by simple method by comparing the number of each atoms on both sides of the reaction arrow without addition of hydrogen ion, water molecule and electrons from outside.

Interpretation Introduction

(c)

Interpretation:

In the given oxidation-reduction reaction, the species that oxidized and that reduced should be identified.

Concept Introduction:

The oxidation-reduction reaction is also known as a redox reaction. In this reaction, one reactant is oxidized and other is reduced. The balancing of oxidation-reduction reaction can be done by simple method by comparing the number of each atoms on both sides of the reaction arrow without addition of hydrogen ion, water molecule and electrons from outside.

Interpretation Introduction

(d)

Interpretation:

In the given oxidation-reduction reaction, the species that oxidized and that reduced should be identified.

Concept Introduction:

The oxidation-reduction reaction is also known as a redox reaction. In this reaction, one reactant is oxidized and other is reduced. The balancing of oxidation-reduction reaction can be done by simple method by comparing the number of each atoms on both sides of the reaction arrow without addition of hydrogen ion, water molecule and electrons from outside.

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