NEET Chemistry Isomerism in Complexes MCQ Question
In octahedral coordination entities of the type [Co(NH3)3(NO2)3], if the three NO2 ligands occupy adjacent positions at the corners of an octahedral face, what type of isomer is formed?
Facial isomer
Meridional isomer
Linkage isomer
Optical isomer
Correct Answer
Detailed Explanation
In octahedral complexes like [Co(NH3)3(NO2)3], when three identical ligands occupy adjacent positions at the corners of an octahedral face, it results in a facial (fac) isomer. This is a form of geometrical isomerism as per the NCERT context.
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