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Chemistry
Which has the largest radius ?
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Q. Which has the largest radius ?
MP PMT
MP PMT 1990
The d-and f-Block Elements
A
$Co^{3+}$
35%
B
$Mn^{3+}$
18%
C
$Fe^{3+}$
12%
D
$Cr^{3+}$
35%
Solution:
Ionic radii of transition metals decreases with increase in atomic number in a transition series.