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Chemical Bonding and Molecular Structure question

2008 · Q111
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Chemical Bonding and Molecular Structure question

2008 · Q111

NEETChemistryChemical Bonding and Molecular StructureMCQ+4 / −1
The correct order of increasing bond angles in the following triatomic species is
  1. A
    NO2+_2^ +2+​ < NO2 < NO2−_2^ -2−​
  2. B
    NO2+_2^ +2+​ < NO2−_2^ -2−​ < NO2
  3. C
    NO2−_2^ -2−​ < NO2+_2^ +2+​ < NO2
  4. D
    NO2−_2^ -2−​ < NO2 < NO2+_2^ +2+​
View written solutionFree

Correct answer: D

AIPMT 2008 Chemistry - Chemical Bonding and Molecular Structure Question 69 English Explanation

We know that higher the number of lone pair of electron on central atom, greater is the lp – lp repulsion between Nitrogen and oxygen atoms. Thus smaller is bond angle.

The correct order of bond angle is

NO$_2^ - $ < NO2 < NO$_2^ + $
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