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

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry3. Classification of elements and periodicity in properties1 Mark
MCQ
Incorrect order of size
  • A
    $Zn > Cu > Ni$
  • B
    $O^{-2} > F^-> Na^+$
  • ✓
    $O^{-2} > Cl^-> S^{-2}$
  • D
    $I^-> Br^-> Cl^-$
✓

Answer

Correct option: C.
$O^{-2} > Cl^-> S^{-2}$
c

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