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Question
What are the oxidation states of phosphorus in H3PO3
Solution 1
Let the oxidation state of p be x.
H3PO3
3 + x + 3(-2) = 0
3 + x - 6 = 0
x - 3 = 0
x = +3
Solution 2
H3PO3
3(+1) + x + 3(-2) = 0
∴ x = + 3
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