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Assign oxidatioo numbers to all the atoms in each of the following. a. SrCr 2 O 7 b. CuCl 2 c. O 2 d. H 2 O 2 e. MgCO 3 f. Ag g. PbSO 3 h. PbO 2 i. Na 2 C 2 O 4 j. CO 2 k. (NH 4 ) 2 Ce(SO 4 ) 3 l. Cr 2 O 3
Chemistry: An Atoms First Approach
Solutions
Chemistry: An Atoms First Approach
Assign oxidatioo numbers to all the atoms in each of the following.
a. SrCr2O7
b. CuCl2
c. O2
d. H2O2
e. MgCO3
f. Ag
g. PbSO3
h. PbO2
i. Na2C2O4
j. CO2
k. (NH4)2Ce(SO4)3
l. Cr2O3
(a)
Interpretation: The oxidation state of given atom in the given molecule has to be calculated.
Concept introduction: The oxidation state is the distinction between the numbers of electrons connected by an atom in a composite as compared with the number of electrons in an atom of the element. The oxidation state is also called oxidation number
Rule 1: The oxidation numeral of an element in its open (uncombined) state is zero.
Rule 2: The oxidation numeral of a monatomic (one-atom) ion is the similar as the indict on the ion.
Explanation of Solution
Case 1: To find the oxidation state of
Here x is oxidation state of
Case 2: To find the oxidation state of
Here x is oxidation state of
Case 3: To find the oxidation state of
(b)
Interpretation: The oxidation state of given atom in the given molecule has to be calculated.
Concept introduction: The oxidation state is the distinction between the numbers of electrons connected by an atom in a composite as compared with the number of electrons in an atom of the element. The oxidation state is also called oxidation number
Rule 1: The oxidation numeral of an element in its open (uncombined) state is zero.
Rule 2: The oxidation numeral of a monatomic (one-atom) ion is the similar as the indict on the ion.
(c)
Interpretation: The oxidation state of given atom in the given molecule has to be calculated.
Concept introduction: The oxidation state is the distinction between the numbers of electrons connected by an atom in a composite as compared with the number of electrons in an atom of the element. The oxidation state is also called oxidation number
Rule 1: The oxidation numeral of an element in its open (uncombined) state is zero.
Rule 2: The oxidation numeral of a monatomic (one-atom) ion is the similar as the indict on the ion.
(d)
Interpretation: The oxidation state of given atom in the given molecule has to be calculated.
Concept introduction: The oxidation state is the distinction between the numbers of electrons connected by an atom in a composite as compared with the number of electrons in an atom of the element. The oxidation state is also called oxidation number
Rule 1: The oxidation numeral of an element in its open (uncombined) state is zero.
Rule 2: The oxidation numeral of a monatomic (one-atom) ion is the similar as the indict on the ion.
(e)
Interpretation: The oxidation state of given atom in the given molecule has to be calculated.
Concept introduction: The oxidation state is the distinction between the numbers of electrons connected by an atom in a composite as compared with the number of electrons in an atom of the element. The oxidation state is also called oxidation number
Rule 1: The oxidation numeral of an element in its open (uncombined) state is zero.
Rule 2: The oxidation numeral of a monatomic (one-atom) ion is the similar as the indict on the ion.
(f)
Interpretation: The oxidation state of given atom in the given molecule has to be calculated.
Concept introduction: The oxidation state is the distinction between the numbers of electrons connected by an atom in a composite as compared with the number of electrons in an atom of the element. The oxidation state is also called oxidation number
Rule 1: The oxidation numeral of an element in its open (uncombined) state is zero.
Rule 2: The oxidation numeral of a monatomic (one-atom) ion is the similar as the indict on the ion.
(g)
Interpretation: The oxidation state of given atom in the given molecule has to be calculated.
Concept introduction: The oxidation state is the distinction between the numbers of electrons connected by an atom in a composite as compared with the number of electrons in an atom of the element. The oxidation state is also called oxidation number
Rule 1: The oxidation numeral of an element in its open (uncombined) state is zero.
Rule 2: The oxidation numeral of a monatomic (one-atom) ion is the similar as the indict on the ion.
(h)
Interpretation: The oxidation state of given atom in the given molecule has to be calculated.
Concept introduction: The oxidation state is the distinction between the numbers of electrons connected by an atom in a composite as compared with the number of electrons in an atom of the element. The oxidation state is also called oxidation number
Rule 1: The oxidation numeral of an element in its open (uncombined) state is zero.
Rule 2: The oxidation numeral of a monatomic (one-atom) ion is the similar as the indict on the ion.
(i)
Interpretation: The oxidation state of given atom in the given molecule has to be calculated.
Concept introduction: The oxidation state is the distinction between the numbers of electrons connected by an atom in a composite as compared with the number of electrons in an atom of the element. The oxidation state is also called oxidation number
Rule 1: The oxidation numeral of an element in its open (uncombined) state is zero.
Rule 2: The oxidation numeral of a monatomic (one-atom) ion is the similar as the indict on the ion.
(j)
Interpretation: The oxidation state of given atom in the given molecule has to be calculated.
Concept introduction: The oxidation state is the distinction between the numbers of electrons connected by an atom in a composite as compared with the number of electrons in an atom of the element. The oxidation state is also called oxidation number
Rule 1: The oxidation numeral of an element in its open (uncombined) state is zero.
Rule 2: The oxidation numeral of a monatomic (one-atom) ion is the similar as the indict on the ion.
(k)
Interpretation: The oxidation state of given atom in the given molecule has to be calculated.
Concept introduction: The oxidation state is the distinction between the numbers of electrons connected by an atom in a composite as compared with the number of electrons in an atom of the element. The oxidation state is also called oxidation number
Rule 1: The oxidation numeral of an element in its open (uncombined) state is zero.
Rule 2: The oxidation numeral of a monatomic (one-atom) ion is the similar as the indict on the ion.
(l)
Interpretation: The oxidation state of given atom in the given molecule has to be calculated.
Concept introduction: The oxidation state is the distinction between the numbers of electrons connected by an atom in a composite as compared with the number of electrons in an atom of the element. The oxidation state is also called oxidation number
Rule 1: The oxidation numeral of an element in its open (uncombined) state is zero.
Rule 2: The oxidation numeral of a monatomic (one-atom) ion is the similar as the indict on the ion.
Chapter 6 Solutions
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