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  4. In which of the following compounds, the nitrogen atom exhibits negative oxidation state?

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Q. In which of the following compounds, the nitrogen atom exhibits negative oxidation state?

NTA AbhyasNTA Abhyas 2020The p-Block Elements - Part2

Solution:

Sodium azide is $NaN_{3}$ . In azide $\left(\right.N_{3}^{-}\left.\right)$ ion the average oxidation number of N is -1/3.

In NO the oxidation number of Nitrogen is +2.

In sodium nitrate $\left(\right.NaNO_{3}\left.\right)$ the oxidation number of nitrogen is +5.

In sodium nitrite $\left(\right.NaNO_{2}\left.\right)$ the oxidation number of nitrogen is +3.