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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