Match Column I with Column II.
Column I | Column II |
A. | 1. 5.92 BM |
B. | 2. 0 BM |
C. | 3. 4.90 BM |
D. | 4. 1.73 BM |
A B C D
Text Solution
Verified by ExpertsD
A. 
Oxidation number of 
Electronic configuration of 
is a strong field ligand so, pairing of electrons occurs.
Number of unpaired electrons 
B. 
Oxidation state of Fe is +3 .
Water is weak field ligand, so pairing of electron do not take place.
Number of unpaired electrons 
.
C. 
Oxidation state of Fe is +2 .
Electronic configuration of 
Number of unpaired electrons 
D. 
Oxidation state of Fe is 
.
Number of unpaired electrons 
Hence, correct match is A-4, B-1, C-2, D-3.
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