From four transition metal octahedral complexes , (the choice given below) low spin electronic configuration arises only for
From four transition metal octahedral complexes , (the choice given below) low spin electronic configuration arises only for
A. `d^(1) "to" d^(3) ` complexes
B. `d^(4) , "to" d^(7)` complexes
C. `d^(7) " to" d^(9)` complexes
D. `d^(1),d^(2)and d^(8)`complexes
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Correct Answer - B
The distribution of electrons of ` d^(1) ,d^(2) ,d^(3) ,d^(8),d^(9) ` in `t_(29) ` and ` e_(g ) ` sets both for strong and weak field ligands is same . But for ` d^(4) ,d^(5),d^(6) and a^(7) ` there is difference in the arrangement of electrons in weak and strong field ligands A Weak field ligand will have greater number of unpaired electrons .
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