Which of the following is correct w.r.t. ionic size of O2-, F-, Na+ and Mg2+?(I) All have 10 electrons each(II) Ionic radii are in the order Mg2+ < Na+
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a
(I) is correct
b
(II) is correct
c
Both (I) and (II) are correct
d
Both (I) and (II) are wrong
answer is C.
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Detailed Solution
As the -ve charge on ion increases size of anion increases and +ve charge on ion increases size of cation decreases.