JEE MAIN - Chemistry (2020 - 4th September Morning Slot - No. 17)
The ionic radii of O2–, F–, Na+ and Mg2+ are in
the order :
F– > O2– > Na+ > Mg2+
Mg2+ > Na+ > F– > O2–
O2– > F– > Mg2+ > Na+
O2– > F– > Na+ > Mg2+
Explanation
Among isoelectronic species, greater the Zeff
smaller will be the radius.
Order of Zeff : Mg2+ > Na+ > F– > O2–
Order of Ionic Radii : O2– > F– > Na+ > Mg2+
Order of Zeff : Mg2+ > Na+ > F– > O2–
Order of Ionic Radii : O2– > F– > Na+ > Mg2+
Comments (0)
