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Chemistry
Among the following ions, which one has the highest paramagnetism?
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Q. Among the following ions, which one has the highest paramagnetism?
IIT JEE
IIT JEE 1993
Coordination Compounds
A
$[Cr(H_2O)_6]^{3+}$
16%
B
$[Fe(H_2O)_6]^{2+}$
54%
C
$[Cu(H_2O)_6]^{2+}$
18%
D
$[Zn(H_2O)_6]^{2+} $
12%
Solution:
$Fe$ in $[Fe(H_2O)_6]^{2+} $ has maximum (four) unpaired electrons, has highest paramagnetism