Question

$\huge\bigstar\underline\green{Question}$

why does an NO2 dimerize ​

Answer 1

In NO2 structure there is an unpaired electron left on Nitrogen atom, so it is reactive it dimerises to pair up its electron and gains stability as N2O2.

Answer 2

❗❕It is a chemical formula of Nitrogen Dioxide which is highly reactive gas know as oxides of nitrogen including nitrric acid and nitrous acid ❗❕

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