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Chemistry
Iron (III)
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Q. Iron (III)
The d-and f-Block Elements
A
has a $d^6$ configuration
31%
B
has a $d^7$ configuration
12%
C
is isoelectronic with Co (II)
10%
D
is isoelectronic with Mn (II)
46%
Solution:
Iron (III) ion has 5 unpaired electrons as Mn(ll).