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Q.

Out of four radius data 72 pm, 100 pm, 133 pm and 140 pm. If 100 pm is the radius of Ca2+ and other three are O2-, Mg2+ and F-. Select CORRECT option (s)

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a

Radius of O2−>Ca2+

b

Radius of F−

c

Radius of Mg2+

d

Radius of Mg2+=72pm

answer is A.

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Detailed Solution

Size=O2−>F−>Mg2+⏟isoelectronic
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