CoCl_(3).6NH_(3) can form 4 different types of complexes (According to – InterviewSolution

1.	CoCl_(3).6NH_(3) can form 4 different types of complexes (According to Werner). Which of the following cannot exhibit optical isomerism as well as geometrical isomerism ?
Answer» `[Co(NH_(3))_(5)Cl]Cl_(2)-" Purple colour "` `[Co(NH_(3))_(4)Cl_(2)]Cl-" Green colour "` `[Co(NH_(3))_(4)Cl_(2)]Cl-" VIOLET colour "` `[Co(NH_(3))_(6)]Cl_(3)-" Yellow colour "` Answer :A::B::C

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