Sarah8jakinfiza Sarah8jakinfiza

07-12-2016
Chemistry

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What is the oxidation number of Nitrogen in HNO2?

+1
-1
+3
-3

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Greenleafable Greenleafable

11-12-2016

The correct answer is +3

That is because the number of the entire molecule must always be 0. Since O2 equals -4 because individual oxygen atoms are -2, and Hydrogen (H) is +1, then you can see that H +1, + 3 from N, -4 from O2 = 0.

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