Question:medium

Consider that the coordinating atoms of the ligands in cis-[Co(NH$_3$)$_4$Cl$_2$]Cl and mer-[Co(NH$_3$)$_3$Cl$_3$] octahedral complexes are at the vertices of an octahedron. The sum of total number of the triangular faces in both the complexes having one N atom and two Cl atoms at their corners is _______.

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In octahedral geometry, triangular faces are formed only by adjacent vertices. Trans ligands can never belong to the same triangular face.

Updated On: May 20, 2026

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Correct Answer: 6

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