MCQ
Which one of the following has largest ionic radius?
  • $O_2^{2 - }$
  • B
    $Li^+$
  • C
    $B^{3+}$
  • D
    $F^-$

Answer

Correct option: A.
$O_2^{2 - }$
a
On moving along a period ionic radii decreases due to increase in effective nuclear charge

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