In the coordination entity [Co(NH3)3(NO2)3], if all three N atoms of the amine ligands occupy adjacent positions at the corners of an octahedral face, the geometrical isomer formed is known as _______ isomer.(a) cis(b) trans(c) fac(d) merI had been asked this question by my school principal while I was bunking the class.Asked question is from Isomerism in Coordination Compounds topic in division Coordination Compounds of Chemistry – Class 12

In the coordination entity [Co(NH3)3(NO2)3], if all three N atoms of t

1.	In the coordination entity [Co(NH3)3(NO2)3], if all three N atoms of the amine ligands occupy adjacent positions at the corners of an octahedral face, the geometrical isomer formed is known as _______ isomer.(a) cis(b) trans(c) fac(d) merI had been asked this question by my school principal while I was bunking the class.Asked question is from Isomerism in Coordination Compounds topic in division Coordination Compounds of Chemistry – Class 12
Answer» The correct choice is (C) fac Explanation: Octahedral ENTITIES of the type [MA3B3] form two types of ISOMERS based on WHETHER the same ligand groups occupy adjacent positions on the octahedral face (fac) or positions around the meridian of the OCTAHEDRON (mer).

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