NEET Chemistry Isomerism in Complexes MCQ Question
In octahedral complexes of the type [Ma3b3], what is the arrangement of donor atoms in the facial (fac) isomer?
Adjacent positions at the corners of an octahedral face
Around the meridian of the octahedron
All donor atoms in a straight line
Equidistant from the center of the octahedron
Correct Answer
Detailed Explanation
The facial (fac) isomer occurs when three donor atoms of the same ligands occupy adjacent positions at the corners of an octahedral face, as stated in the NCERT context.
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