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Find the sum of the oxidation states of the underlined elements in the following compounds: C in CO2, and Mn in K2MnO4.
- 8
- 9
- 10
- 12
Correct answer: 10
Solution
Oxidation state of C in CO2 is +4, and Mn in K2MnO4 is +6; their sum is +4 + +6 = 10.
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