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Grade 12Inorganic Chemistry

what is hybridisation and magnitic moment (3.87 is told to us) of fe in brown ring complex

Profile image of Neha
9 Years agoGrade 12
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Profile image of Umakant biswal
ApprovedApproved Tutor Answer9 Years ago
dear neha 
in brown ring complex fe got +1 oxidation state so, only strong ligand will pair up , 
one electron from 4s with unpair electron of 3d , 
so, now there will be 3 electrons and 6 unpaired one , 
so, here magnetic moment will be root 15 = 3.8 ( approx ) 
and hybridisation will be sp3d2 here , 
HOPE IT CLEARS NOW 
REGARDS UMAKANT