Which of the following Lewis structure is not valied for Azide ion `(N_(3)^(-))` ?
Which of the following Lewis structure is not valied for Azide ion `(N_(3)^(-))` ?
A. `:N-=N-underset(..)overset(..)N:^(2-)`
B. `:N-=overset(+)N-underset(..)overset(..)N:^(2-)`
C. `:underset(..)overset(-)N-=overset(+)N=underset(..)overset(-)N:`
D. None of these
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Correct Answer - B::D
For Zzide ion
`n_(1)=3xx5+1=16e^(-)` (in valence shell)
`n_(2)=3xx8=24`
`n_(3)=24-16=8,bpr =(8)/(2)=4`
`n_(4)=16-8=8` inpr `=(8)/(2)=4`
In 1 st Lewis structure of Azide ion - F.C. on N (a)=5-3-2=0(correct)
`:N-=N-underset(..)overset(..2)N` F.C. on N(b)=5-4=+1 (not shown in option)
F.C. on N(c)=5-1-6=-2(correct)
So 1st Lewis structure show wrong representation of formal charge on N(b).
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