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Among the following species identify the...

Among the following species identify the isostructural pairs `NH_(3), NO_(3)^(Theta) ,BF_(3) ,H_(3) O^(o+) , N_(3) H` .

A

`[NF_(3),NO_(3)^(-)]` and `[BF_(3),H_(3)O^(+)]`

B

`[NF_(3),N_(3)H]` and `[NO_(3)^(-),BF_(3)]`

C

`[NF_(3),H_(3)O^(+)` and `[NO_(3)^(-),BF_(3)]`

D

`[NF(3),H_(3)O^(+)]` and `[N_(3)H,BF_(3)]`

Text Solution

Verified by Experts

The correct Answer is:
C
Isostructural pairs have same hybridization and shape.
`NF_(3)`: Lewis structure `F-underset(F)underset(|)(ddot(N))-F: sp^(3)`, Triangle pyramidal
`NO_(3)^(-)` Lewis structure `,sp^(2)`, Triangular planar
`H_(3)O^(+)` Lewis structure `H-underset(H)underset(|)(ddotO^(+))-H,sp^(3)` Triangle pyramidal
`HN_(3)` Lewis structure `H-ddot(N)=Nvec(-)N:` ,sp, linear
Thus, isostructural pairs are `[NF_(3),H_(3)O^(+)]` and `[NO_(3)^(-),BF_(3)]`
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