HARDMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryCoordination compoundsAchiever Section
Which of the following does not show optical isomerism? (en = ethylenediammine)
A.[Co(en)₂Cl₂]
B.[Co(NH₃)₃Cl₃]✓ Correct
C.[Co(en)Cl₂ (NH₃)₂]
Explanation
The compound 3 3 3 Co(NH ) Cl does not show optical isomerism. This is a coordination compound where coordination number is 6 and geometry octahedral symmetrical. Compounds with an octahedral geometry having bidentate ligands show optical isomerism. The given compound does not contain any bidentate ligands, also it has symmetrical geometry, thus, it does not show optical isomerism. Hence, the correct option is (b)
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