Which of the following statement regarding the pair of complexes is/are incorrect ?

Question

Which of the following statement regarding the pair of complexes is/are incorrect ?

Which of the following statement regarding the pair of complexes is/are incorrect ?
A. Both `K_2[PdCl_4]` and `K_2[Pt(o x )_3]` are optically inactive
B. Both `K_2[PdCl_4]` and `K_2[Pt(o x )_3]` do not form diastereomers
C. `K_2[Ni(CN)_4] and Co[Hg(SCN)_4]` have same hybridization of central atom
D. `K_2[Ni(CN)_4] and Co[Hg(SCN)_4]` both can show same type of structural isomerism and are diamagnetic

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Correct Answer - A,C,D
`[Pt(o x)_3]^(2-)` is optically active due to 3 didentate ligands. `[PdCl_4]^(2-)` and `[Pt( o x)_3]^(2-)` do not show G.I as well ligands are same .
Hybridization of `Ni^(2+)` is `dsp^2` in `[Ni(CN)_4]^(2-)` and that of `Hg^(2+)` is `sp^3` in `[Hg(SCN)_4]^(2-)`
Both `CN^-` and `SCN^-` ligands are ambidentate. Hence both `[Ni(CN)_4]^(2-)` and `[Hg(SCN)_4]^(2-)` show linkage isomerism. `K_2[Ni(CN)_4]` is diamagnetic but `Co[Hg(SCN)_4]` is not as `Co^(2+)` is `d^7` -paramagnetic.