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Which has the largest radius?...

Which has the largest radius?

A

`Co^(3+)`

B

`Mn^(3+)`

C

`Fe^(3+)`

D

`Fe`

Text Solution

Verified by Experts

The correct Answer is:
d

Ionic radius decreases fromleft to right in a period.
Thus, `Cr^(3+)gtMn^(3+)gtFe^(3+)gtCo^(3+)`
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