Question

What is the oxidation number of co3

Answer 1

the oxidation number of co3 is -2
Oxidation no of O is -2
here 3 ions of oxygen so 3× -2 = -6
oxidation no of carbon is +4
so overall oxidation no of co3 is -6+4=-2
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Answer 2

Answer:

Explanation:

The oxidation number of C in carbon dioxide (CO2) is (rules 1 & 2): 0 + (2 x 2) = +4 [Check (rule 3): +4 + 2(-2) = 0] The oxidation number of C in methane (CH4) is (rules 1 & 2): 0 – (4 x1) = -4 [Check (rule 3): -4 + 4(-1) = 0].