Which of the following pairs corresponds to linkage ismerism ?A. `[Co(en)_(3)][Cr(CN)_(6)]` and `[Cr(en)_(3)][Co(CN)_(6)]`B. `[Mn(CO)_(5)(SCN)]` and `[Mn(CO)_(5)(NCS)]`C. `[Co(MH_(3))_(5)(NO_(3))]SO_(4)` and `[Co(NH_(3))_(5)(SO_(4))] NO_(3)`D. `[Co(NH_(3))_(4) (H_(2)O)CI]CI_(2)` and `[Co(NH_(3))_(4)CI_(2)]CI.H_(2)O`

Which of the following pairs corresponds to linkage ismerism ?A. `[Co(

1.	Which of the following pairs corresponds to linkage ismerism ?A. `[Co(en)_(3)][Cr(CN)_(6)]` and `[Cr(en)_(3)][Co(CN)_(6)]`B. `[Mn(CO)_(5)(SCN)]` and `[Mn(CO)_(5)(NCS)]`C. `[Co(MH_(3))_(5)(NO_(3))]SO_(4)` and `[Co(NH_(3))_(5)(SO_(4))] NO_(3)`D. `[Co(NH_(3))_(4) (H_(2)O)CI]CI_(2)` and `[Co(NH_(3))_(4)CI_(2)]CI.H_(2)O`
Answer» Correct Answer - B Linkage isomerism arises in a coordination compound containing ambidentate ligand such as the thiocyanate ligand, `NSC^(-)` , which may bind either through the N to give `M-NCS` or through S to give `M-SCN` . (1) Coordination isomerism, (3) Ionization isomerism and (4) Hydrate isomerism

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