Honors PS Chemistry Chapter 20
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Determining Oxidation Numbers
Determine the oxidation number of the identified ion in each of the following compounds. Please show your reasoning.
OXIDATION NUMBERS must have + or –. For example 3 is not correct; however, +3 or 3+ is correct.
1.
Determine the oxidation number of Mn in NaMnO4.
2.
Determine the oxidation number of P in H3PO4
3.
Determine the oxidation number of Cr in H2CrO4
4.
Determine the oxidation number of Al in AlCl3
5.
Determine the oxidation number of Mn in H2MnO3
6.
Determine the oxidation number of C in CS2
7.
Determine the oxidation number of Se in Na2SeO4
8.
Determine the oxidation number of Mn in KMnO4
9.
Determine the oxidation number of C in K2CO3.
10.
Determine the oxidation number of C in (NH4)2CO3.
11.
Determine the oxidation number of Cl in Cl2O5.
12.
Determine the oxidation number of Br in KBrO4.
13.
Determine the oxidation number of P in H4P2O7.
14.
Determine the oxidation number of P in PF3.
Honors PS Chemistry Chapter 20
15.
Determine the oxidation number of Co in CoCl2.
16.
Determine the oxidation number of Fe in Fe2O3.
17.
Determine the oxidation number of Si in SiO2.
18.
Determine the oxidation number of H in CaH2.
19.
Determine the oxidation number of P in NaPF6.
20.
Determine the oxidation number of B in LiBF4.
21.
Determine the oxidation number of P in PF63-.
22.
Determine the oxidation number of S in SF62-.
23.
Determine the oxidation number of P in PO43-.
24.
Determine the oxidation number of S in SO32-.
25.
Determine the oxidation number of I in IO41-.
26.
Determine the oxidation number of As in AsO43-.
27.
Determine the oxidation number of Cr in CrO42-.
28.
Determine the oxidation number of B in B4O72-.
29.
Determine the oxidation number of Al in AlO21-.
30.
Determine the oxidation number of Br in BrO31-.
31.
Determine the oxidation number of Mn in MnO41-.
32.
Determine the oxidation number of N in NO31-.