
Concept explainers
(a)
Interpretation:
The following reaction should be classified as an oxidation or a reduction:

Concept Introduction:
The reaction in which the oxidation number of an element decreases is called reduction.
The reaction in which the reduction number of an element increases is called oxidation.
Both the oxidation and reduction process takes place simultaneously.
Also, addition of oxygen is oxidation and addition of hydrogen is reduction and vice versa.
(b)
Interpretation: The following reaction should be classified as an oxidation or a reduction:

Concept Introduction:
The reaction in which the oxidation number of an element decreases is called reduction.
The reaction in which the reduction number of an element increases is called oxidation.
Both the oxidation and reduction process takes place simultaneously.
Also, addition of oxygen is oxidation and addition of hydrogen is reduction and vice versa.
(c)
Interpretation: The following reaction should be classified as an oxidation or a reduction:

Concept Introduction:
The reaction in which the oxidation number of an element decreases is called reduction.
The reaction in which the reduction number of an element increases is called oxidation.
Both the oxidation and reduction process takes place simultaneously.
Also, addition of oxygen is oxidation and addition of hydrogen is reduction and vice versa.
(d)
Interpretation: The following reaction should be classified as an oxidation or a reduction:

Concept Introduction:
The reaction in which the oxidation number of an element decreases is called reduction.
The reaction in which the reduction number of an element increases is called oxidation.
Both the oxidation and reduction process takes place simultaneously.
Also, addition of oxygen is oxidation and addition of hydrogen is reduction and vice versa.
(e)
Interpretation: The following reaction should be classified as an oxidation or a reduction:

Concept Introduction:
The reaction in which the oxidation number of an element decreases is called reduction.
The reaction in which the reduction number of an element increases is called oxidation.
Both the oxidation and reduction process takes place simultaneously.
Also, addition of oxygen is oxidation and addition of hydrogen is reduction and vice versa.

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Chapter 8 Solutions
EBK CHEMISTRY FOR CHANGING TIMES
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