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Question
Draw all possible geometrical isomers of the complex \[\ce{[Co(en)2Cl2]^+}\] and identify the optically active isomer.
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Solution
Two Cis \[\ce{[Co(en)2Cl2]^+}\] isomers - optically active
One trans \[\ce{[Co(en)2Cl2]^+}\] isomers - optically inactive
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