Complex X of composition has a spin only magnetic moment of 3.83 B.M. It reacts with AgNO₃ and shows geometrical isomerism. The IUPAC nomenclature of X is:

Question

Complex X of composition  has a spin only magnetic moment of 3.83 B.M. It reacts with AgNO₃ and shows geometrical isomerism. The IUPAC nomenclature of X is:

Canvas Classes · Accepted Answer

Strategy:
 Deduce the metal's unpaired electrons to identify its oxidation state, then build the coordination sphere using geometrical isomerism constraints, and finally name the compound.

Step 1: Magnetic Moment Analysis
.
 unpaired electrons.
For Chromium,  has a  configuration, yielding 3 unpaired electrons. So, the metal is .

Step 2: Geometrical Isomerism
To show geometrical (cis-trans) isomerism, an octahedral complex of the type  is usually required here.
This implies there are 4  ligand

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