CBSE Class 12-science Answered
explain why N-O bond in NO2(subscript)minus shorter than N-O bond in NO3(sub)minus
Asked by haleema Rafeeq | 10 Mar, 2012, 05:17: PM
Expert Answer
Bond length increases with decreasing bond order. The nitrogenoxygen bond order in NO3- is less than the nitrogenoxygen bond order in NO2- (1.3 versus 1.5, respectively). Therefore, NO3- has longer nitrogenoxygen bonds than does NO2-.
For reference :
The nitrate ion has three equivalent resonance structures.
There are four NO bonding pairs distributed over three NO bonding locations.
Answered by | 10 Mar, 2012, 09:38: PM
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