(a)
Interpretation: The oxidation number of sulfur in
Concept Introduction: An oxidation number of an element is defined as the number assigned to it in any chemical composition representing number of electrons gained or lost by an atom of that element in forming the chemical compound.
(a)
Explanation of Solution
The given molecule is
Thus, oxidation number of S is +6.
(b)
Interpretation: The oxidation number of sulfur in
Concept Introduction: An oxidation number of an element is defined as the number assigned to it in any chemical composition representing number of electrons gained or lost by an atom of that element in forming the chemical compound.
(b)
Explanation of Solution
The given molecule is
Thus, oxidation number of S is -2.
(c)
Interpretation: The oxidation number of sulfur in
Concept Introduction: An oxidation number of an element is defined as the number assigned to it in any chemical composition representing number of electrons gained or lost by an atom of that element in forming the chemical compound.
(c)
Explanation of Solution
The given molecule is
Thus, oxidation number of S is +4.
(d)
Interpretation: The oxidation number of sulfur in
Concept Introduction: An oxidation number of an element is defined as the number assigned to it in any chemical composition representing number of electrons gained or lost by an atom of that element in forming the chemical compound.
(d)
Explanation of Solution
The given molecule is
Thus, oxidation number of S is +2.
(e)
Interpretation: The oxidation number of sulfur in
Concept Introduction: An oxidation number of an element is defined as the number assigned to it in any chemical composition representing number of electrons gained or lost by an atom of that element in forming the chemical compound.
(e)
Explanation of Solution
The oxidation number of S in monoatomic form will be zero.
Here, no other atom is present if oxidation number of S is considered as x , the calculation step will be:
(f)
Interpretation: The oxidation number of sulfur in
Concept Introduction: An oxidation number of an element is defined as the number assigned to it in any chemical composition representing number of electrons gained or lost by an atom of that element in forming the chemical compound.
(f)
Explanation of Solution
The oxidation number of oxygen is -2. Thus, oxidation number of S can be calculated as follows:
Thus, the oxidation number of S is +4.
Chapter 21 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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