Q. In which of the following pairs, the two species are not isostructural?
Chemical Bonding and Molecular Structure
Solution:
(a)
$CO_3^{2-}, NO_3^-$
Triangular planar
(b)
$PCl_4^+, SiCl_4$
Tetrahedral
(c)
$PF_5, BrF_5$
Trigonal bipyramidal
(d)
$AlF_6^{3-}, SF_6$
Square pyramidal
Octahedral
| (a) | $CO_3^{2-}, NO_3^-$ | Triangular planar |
| (b) | $PCl_4^+, SiCl_4$ | Tetrahedral |
| (c) | $PF_5, BrF_5$ | Trigonal bipyramidal |
| (d) | $AlF_6^{3-}, SF_6$ | Square pyramidal |
| Octahedral |