Q. The dimerisation of $NO _{2}$ as the temperature is lowered is accompanied by
The p-Block Elements - Part2
Solution:
The dimerisation of $NO _{2}$ as the temperature is lowered is accompanied by a decrease in paramagnetism because $NO _{2}$ contains an unpaired electron but no unpaired electron is present in the structure of $N _{2} O _{4}$.
