How can nitrogen achieve a #+V# oxidation state?

Answer 1

You mean how can nitrogen achieve a #+V# oxidation state.

Consider the nitrate ion, #NO_3^-#. Here, nitrogen has a formal #+V# oxidation state (i.e. #3xx-2+N_("ON")=-1)#. Nitrogen also bears this oxidation state in the NEUTRAL GAS #N_2O_5#. Our ideas of oxidation state are formalisms. They may be useful in some circumstances for pedagogy or calculation, but they have no real physical basis.

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Answer 2

Kai Bowman

Nitrogen achieves a +V oxidation state in compounds through the process of coordination with highly electronegative elements, such as fluorine, oxygen, or chlorine.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.