Due to the presence of ambidenate ligands coordination compounds show isomerism. Palladium complexes of the type `[Pd(C_(6)H_(5))_(2)(SCN)_(2)]` & `[Pd(C_(6H_(5))_(2)(NCS)_(2)]` are
A. Linkage isomerism
B. coordination isomers
C. ionization isomers
D. geometrical isomers.

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1 Answers

Correct Answer - 1
The ligands having two different bonding sites are known as ambident ligands e.g., `NCS^(-), NO_(2)^(-)` etc.
Here, `NCS^(-)` has two binding sites at N and S.
Hence, `NCS^(-)` (thiocyanate) can bind to the metal ion in two ways.
`M larr NCS or M larr SNC`
Thus, coordination compounds containing `NCS^(-)` as a ligand can show linkage isomers.
Hence, correct choice is (1).

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