" Arrange "Ce^(3*),La^(3+),Pm^(2+)" and "Yb^(3+)" in increasing order of their ionic radii "

Arrange Ce^(3+),La^(3+),Pm^(3+), and Yb^(3+) in increasing order of their ionic radii

Arrange Ce^(3+),La^(3+), Pm^(3) and Yb^(3+) in increasing order of their size -

Arrange Ce^(3+),La^(3+), Pm^(3) and Yb^(3+) in increasing order of their size -

Arrange (I)Ce^(3+),(II)La^(3+),(III)Pm^(3+) and (IV)Yb^(3+) in increasing order of their ionic radii.

Arrange (I)Cr^(3+),(II)La^(3+),(III)Pm^(3+) and (IV)Yb^(3+) in increasing order of their ionic radii.

Arrange Ce3+, La3+, Pm3+ and Yb3+ in increasing order of their ionic radii. (a) Yb3+ < Pm3+ < Ce3+ < La3+ (b) Ce3+ < Yb3+ < Pm3+ < La3+ (c) Yb3+ < Pm3+ < La3+ < Ce3+ (d) Pm3+ < La3+ < Ce3+ < Yb3+ .

Arrange the ions F^(-),O^(2-) and N^(3-) in the increasing order of their ionic radii. Give reason