Chemical Bonding And Molecular Structure Question 305

Question: In which of the following pairs, the two species are not isostructural-

Options:

A) $ C{O^{2-}}_3,and,N{O^{-}}_3 $

B) $ PC{l^{+}}_4,and,SiC{l^{}}_4 $

C) $ PF_5,and,BrF_5 $

D) $ Al{F^{3-}}_6,and,SF_5 $

Show Answer

Answer:

Correct Answer: C

Solution:

  • (1) $ C{O^{2-}}_3,NO_3^{-} $ Triangular planar (2) $ PCl_4^{+},SiCl_4 $ Tetrahedral (3) $ PF_5 $ Trigonal bipyramidal $ BrF_5 $ square pyramidal (4) $ AlF_6^{3-},SF_6 $ Octahedral


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