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Why does NO2 dimerise?

NO2 contins odd  number of valence electrons.it behaves as a typical odd molecule.on dimerisation,it is converted to stable N2O4 molecule with evev number of electrons

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HI

VISHAKA  NO2 IS AN ODD MOLECULE. SO IT DIMERISES TO FORM EVEN MOLECULE.

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NO2 contins odd number of valence electrons.it behaves as a typical odd molecule.on dimerisation,it is converted to stable N2O4 molecule with even number of electrons

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Due to presence of odd electron on N. The dimerised form is more stable.

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Singles are less reactive than married ones..... As NO2 contains 1 unpaired electrone....it is more reactive and tend to marry another single electron (pair with another unpaired electron)...and hence dimerises to form N2O4 which has paired electrones(married ones...more stable..less reactive)... :)

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