Which of the following has the highest ionic | vedclass

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(A) For ions with the same charge and belonging to the same period,the ionic radius decreases as the atomic number increases due to an increase in eff

Vedclass · Accepted Answer

$Cr^{3+}$

Vedclass · Answer

(A) For ions with the same charge and belonging to the same period,the ionic radius decreases as the atomic number increases due to an increase in effective nuclear charge.Since the atomic numbers are $Cr$ $(24)$,$Mn$ $(25)$,$Fe$ $(26)$,and $Co$ $(27)$,the ionic radius decreases in the order $Cr^{3+} > Mn^{3+} > Fe^{3+} > Co^{3+}$.Therefore,$Cr^{3+}$ has the highest ionic radius.

Which of the following has the highest ionic radii?

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