Coordination CompoundMedium
Question
Which of the following is greatest paramagnetic ?
Options
A.Cu+
B.Fe2+
C.Fe3+
D.Cu2+
Solution
The paramagnerticcharacter is exhibitedby species having unpaired electrons. Furtherparamagnetic character is directly proportional to number of unpaired electrons.
Configuration Unpaired electron
Cu+[Ne]3s2p6d10 0
CU2+[Ne]3s2p6d10 1
Fe2+[Ne]3s2p6d6 4
Fe3+[Ne]3s2p6d5 5
Configuration Unpaired electron
Cu+[Ne]3s2p6d10 0
CU2+[Ne]3s2p6d10 1
Fe2+[Ne]3s2p6d6 4
Fe3+[Ne]3s2p6d5 5
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