Science, asked by ankysamala, 1 year ago

Why no2 has brown color but n2o4 is colorless

Answers

Answered by jaya8717

NO2 is paramagnetic. At high temperatures and low pressures, NO2 has a deep brown color which is due to the presence of unpaired electrons. At low temperature it becomes colorless as it dimerizes to form N2O4.

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