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3. Classification of elements and periodicity in properties — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry3. Classification of elements and periodicity in properties1 Mark
MCQ
Which of the following ion is the smallest ion
  • ✓
    $O_2^ + $
  • B
    $O_2^ - $
  • C
    ${O_2}$
  • D
    $O_2^{ - 2}$
✓

Answer

Correct option: A.
$O_2^ + $
a
(a) Cation has small size than parent atom and anion has greater size than parent atom.

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