AIPMT PRELIMS2008Chemistry-Chemical Bonding
AIPMT PRELIMS 2008 Chemistry Molecular Geometry MCQ Question
Type: MCQ-conceptual-Medium-Class 11
The correct order of increasing bond angles in the following triatomic species is :
A
NO₂⁻ < NO₂ < NO₂⁺
B
NO₂⁺ < NO₂⁻ < NO₂
C
NO₂ < NO₂⁺ < NO₂⁻
D
NO₂⁻ < NO₂ < NO₂⁺
Correct Answer
Option D
Detailed Explanation
The bond angle increases with decreasing lone pair repulsion: NO₂⁻ (bent) < NO₂ (bent) < NO₂⁺ (linear).
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