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Why NO2 exists as a dimer?

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Why NO2 exists as a dimer?

Posted by Yash Dhiman 5 years, 10 months ago

CBSE > Class 11 > Chemistry

1 answers

Yogita Ingle 5 years, 10 months ago

Because of the presence of unpaired odd electron which is susceptible to undergo reaction. So it dimerise and form N₂O₄. 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 N₂O₄.

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