Question
Write down the IUPAC name for the following complex and indicate the oxidation state, electronic configuration and coordination number. Also give stereochemistry and magnetic moment of the complex:
$[Co(NH_3)_5Cl-]Cl_2$

Answer

$[Co(NH_3)_5Cl]Cl_2$
IUPAC name: Pentaamminechloridocobalt(III) chloride
Oxidation state of Co = +3
Coordination number = 6
Shape: octahedral.
Electronic configuration: $d^6 : t_{2g}^6​​​​​​​$.
Stereochemistry:

Magnetic Moment = 0

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