Question

The ionic radii (in $Å$ ) of ${N}^{3-}, {O}^{2-}$ and ${F}^{-}$are respectively

(a) $1.71,1.40$ and $1.36$

(b) $1.71,1.36$ and $1.40$

(c) $1.36,1.40$ and $1.71$

(d) $1.36,1.71$ and $1.40$

Answer 1

The correct option of this question will be (A).

Explanation —

The ionic radii of isoelectronic ions increase with the decrease in magnitude of the nuclear charge.