[ Co(NH _3)_4( NO _2)_2] Cl exhibits:-

NEET 2006 Chemistry question

exhibits:-

(1)Linkage isomerism, ionization isomerism and optical isomerism
(2)Linkage isomerism, ionization isomerism and geometrical isomerismCorrect
(3)Ionization isomerism, geometrical isomerism and optical isomerism
(4)Linkage isomerism, geometrical isomerism and optical isomerism

Answer: (2)

Solution

The complex has the form with the ambidentate ligand and a counter ion . Linkage isomerism: can bind through N (nitro) or O (nitrito, ). Ionization isomerism: the counter ion can exchange with a ligand, e.g.

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Question ID VK-089613