NEET Chemistry The p-Block Elements (XII) Questions Solved


Why does NO2 dimerise?

NO2 contains 7+2×8 i.e. 23 odd electrons. In the valence shell N has seven electrons and hence less stable. To acquire stability it dimerizes to form N2O4.

Difficulty Level:

  • 73%
  • 10%
Crack NEET with Online Course - Free Trial (Offer Valid Till August 25, 2019)