(a) What type of isomerism is shown by the complex [Co(NH3)5(SCN)]2+? – InterviewSolution

1.	(a) What type of isomerism is shown by the complex [Co(NH3)5(SCN)]2+? (b) Why is [NiCl4]2− paramagnetic while [Ni(CN)4]2− is diamagnetic? (Atomic number of Ni = 28) (c) Why are low spin tetrahedral complexes rarely observed?
Answer» (a) What type of isomerism is shown by the complex $[C o (N H_{3})_{5} (S C N)]^{2 +}$ ? (b) Why is $[N i C l_{4}]^{2 -}$ paramagnetic while $[N i (C N)_{4}]^{2 -}$ is diamagnetic? (Atomic number of Ni = 28) (c) Why are low spin tetrahedral complexes rarely observed?

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