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The P-Block Elements

Question
CBSEENCH12011065
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The maximum bond angle at nitrogen is present in which of the following?

  • NO2

  • NO2-

  • NO2+

  • NO3-

Solution

C.

NO2+

In all of the four molecules NO2- and NO2 have one lone pair thus bond angle is less 120 in the case of NO2- and more than 120 in the case of NO2 but in the NO3- there is no lone pair hence all are bonding pairs leading to an ideal bond angle of 120.
In NO2+, the is no lone pair only bond pair exist thus leading a bond angle is 180.

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