Chemistry-(general)
NEET Chemistry (general) MCQ Question
Type: MCQ-fact-Hard-Class 12
What is the reason for the dimerisation of NO2?
A
It contains an odd number of valence electrons.
B
It is a stable molecule at room temperature.
C
It has a high boiling point.
D
It forms strong hydrogen bonds.
Correct Answer
Option A
Detailed Explanation
NO2 dimerises because it contains an odd number of valence electrons, making it a typical odd molecule. The dimerisation leads to the formation of the stable N2O4 molecule, which has an even number of electrons.
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