The type of isomerism shown by the complex [ CoCl _2( en )_2] is

NEET 2018 Chemistry question

The type of isomerism shown by the complex is

(1)Ionization isomerism
(2)Coordination isomerism
(3)Geometrical isomerismCorrect
(4)Linkage isomerism

Answer: (3)

Solution

is an octahedral complex of the type , with two bidentate en ligands and two chloride ligands. The two Cl can be arranged adjacent (cis) or opposite (trans), so it shows geometrical (cis-trans) isomerism (the cis

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Question ID VK-092266