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Coordination Compounds — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryCoordination Compounds3 Marks
Question
Write down the $\text{IUPAC}$ name for the following complex and indicate the oxidation state, electronic configuration and coordination number. Also give stereochemistry and magnetic moment of the complex:
$\ce{Cs[FeCl_4]}$
✓

Answer

$\ce{Cs[FeCl_4]}$
IUPAC name: Caesium tetrachloroferrate $(III).$
Oxidation state of $Fe = +3$
Electronic configuration of $d^6 = e_gt_{2g}^3$
Coordination number $ = 4$
Shape: : tetrahedral.
Stereochemistry: optically inactive
Magnetic moment:
µ$=\sqrt{\text{n}(\text{n}+2)}$
$=\sqrt{5(5+2)}$
$=\sqrt{35}\text{~}6\text{BM}$

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