What is the oxidation number of N in NO?


The oxidation number of nitrogen is +2.

Oxidation number

Oxidation number of an atom is defined as the charge that an atom appears to have on forming ionic bonds with other heteroatoms. An atom having higher electronegativity is given a negative oxidation state.

Oxidation number of N in NO

The atomic number of Nitrogen is 7. The electronic configuration is

N (Z=7) = 1s2 2s2 sp3

Let the oxidation number of N be X

X + (-2) = 0

X = +2

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