The total number of stereoisomers of the octahedral complex ion $[Co (en) X_{3}] X^{3 +}$ is

Answer: B

Three identical bidentate ligands give one geometrical arrangement, which has no mirror plane or centre of symmetry. It exists as a pair of non-superimposable mirror images (

Δ

and

Λ

). Total = 2.

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The total number of stereoisomers of the octahedral complex ion [Co(en)X3​]X3+ is

Answer: B

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The total number of stereoisomers of the octahedral complex ion $[Co (en) X_{3}] X^{3 +}$ is