The numbers of geometrical isomers and optical isomers of the complex ion [Co(en)₃]³⁺ are, respectively, A)2 and 2. B)1 and 1. C)3 and 2. D)1 and 2. E)2 and 4.

Question

Quizplus · Accepted Answer

The complex [Co(en)3]3+ has only one geometrical isomer because it is an octahedral complex with three bidentate ethylenediamine (en) ligands, which can only form a single arrangement. However, it can have two optical isomers (enantiomers) due to its chiral nature.

The Numbers of Geometrical Isomers and Optical Isomers of the Complex