Why is NO2- monodentate?

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Hannah Lee 2F
Posts: 117
Joined: Thu Jul 11, 2019 12:15 am

Why is NO2- monodentate?

Postby Hannah Lee 2F » Sat Dec 07, 2019 4:33 pm

Why can't NO2- also be bidentate and donate the e- pairs from its adjacent O atoms, similar to CO32- (which can be mono- or bi-dentate)?

Angelo Mapalo 4E
Posts: 50
Joined: Sat Aug 24, 2019 12:18 am

Re: Why is NO2- monodentate?

Postby Angelo Mapalo 4E » Sat Dec 07, 2019 4:37 pm

I went to a review session and essentially the TA explained that there isn't enough room on a single N to have multiple sites. He said think of each individual atom as a site instead of lone pair.

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