What are the oxidation numbers of nitrogen, hydrogen and oxygen in HNO3?

H: +1, N: –7, O: +2

H: –1, N: –5, O: +2

H: +1, N: +5, O: –2

H: –1, N: +7, O: –2

A?

4 answers

I disagree with A. You picked A because you assigned +2 for O but the oxidation number for O is -2. N in HNO3 is +5.
So it would be C?
Yes.
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Ok thank you so much your amazing! :)
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