Chemistry-(general)
NEET Chemistry (general) MCQ Question
Type: MCQ-conceptual-Hard-Class 12
Which of the following statements about nitrogen oxides is correct?
A
NO2 dimerizes to form N2O4 due to having an odd number of valence electrons.
B
Dinitrogen oxide (N2O) is a stable molecule that does not decompose.
C
Nitric acid (HNO3) is less important than nitrous acid (HNO2) among nitrogen oxoacids.
D
Nitrogen monoxide (NO) is highly reactive and does not form stable compounds.
Correct Answer
Option A
Detailed Explanation
NO2 dimerizes to form N2O4 to achieve stability by having an even number of electrons, as noted in the NCERT context discussing the behavior of nitrogen oxides.
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