(a)
Interpretation: The oxidized and reduced species in the reaction,
Concept Introduction: The zero, positive or negative numbers that are assigned to an atom for indicating its degree of oxidation and reduction is the oxidation number. This number indicates the number of electrons that are either gained or lost during the bond formation in a chemical compound.
(a)
Answer to Problem 12SP
The chemical species that undergo oxidation is
Explanation of Solution
The completion of
The one in which the oxidation number is found to be decreased is said to be reduced. Since reduction involves the gain of electrons. While the one in which the oxidation number is found to be increased is said to be oxidized. Since oxidation involves the loss of electrons.
In the reaction,
The oxidation number of
(b)
Interpretation: The oxidized and reduced species in the reaction,
Concept Introduction: The zero, positive or negative numbers that are assigned to an atom for indicating its degree of oxidation and reduction is the oxidation number. This number indicates the number of electrons that are either gained or lost during the bond formation in a chemical compound.
(b)
Answer to Problem 12SP
The chemical species that oxidized is
Explanation of Solution
The completion of chemical reactions results in a change in the oxidation number of chemical compounds. From the change in oxidation number values, the chemical species that have undergone oxidation and reduction can be easily found.
The one in which the oxidation number is found to be decreased is said to be reduced. Since reduction involves the gain of electrons. While the one in which the oxidation number is found to be increased is said to be oxidized. Since oxidation involves the loss of electrons.
In the reaction,
The oxidation number of nitrogen in the reactant is,
The oxidation number of nitrogen in the product is,
The oxidation number of nitrogen is decreased from +5 to +3. So, nitrogen is said to be reduced.
The oxidation number of oxygen,
Chapter 20 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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