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BITSAT 2009
Exam
BITSAT
Year
2009
Subject
Chemistry
Chapter
Redox Reactions

BITSAT 2009 · Chemistry · Redox Reactions

The oxidation states of sulphur in the anions SO_ 3 ^ 2- , S_ 2 O_...

The oxidation states of sulphur in the anions SO32−,S2O42−\mathrm{SO}_{3}^{2-}, \mathrm{S}_{2} \mathrm{O}_{4}^{2-} and S2O62−\mathrm{S}_{2} \mathrm{O}_{6}^{2-} follow the orderThe oxidation states of sulphur in the anions SO_ 3 ^ 2- , S_ 2 O_ 4 ^ 2- and S_ 2 O_ 6 ^ 2- follow the order

Options

  1. ASO32−<S2O42−<S2O62−\mathrm{SO}_{3}^{2-}< \mathrm{S}_{2} \mathrm{O}_{4}^{2-}< \mathrm{S}_{2} \mathrm{O}_{6}^{2-}
  2. BS2O42−<S2O62−<SO32−\mathrm{S}_{2} \mathrm{O}_{4}^{2-}< \mathrm{S}_{2} \mathrm{O}_{6}^{2-}< \mathrm{SO}_{3}^{2-}
  3. CS2O62−<S2O42−<SO32−\mathrm{S}_{2} \mathrm{O}_{6}^{2-}< \mathrm{S}_{2} \mathrm{O}_{4}^{2-}< \mathrm{SO}_{3}^{2-}
  4. DS2O42−<SO32−<S2O62−\mathrm{S}_{2} \mathrm{O}_{4}^{2-}< \mathrm{SO}_{3}^{2-}< \mathrm{S}_{2} \mathrm{O}_{6}^{2-}

Correct answer

D. S2O42−<SO32−<S2O62−\mathrm{S}_{2} \mathrm{O}_{4}^{2-}< \mathrm{SO}_{3}^{2-}< \mathrm{S}_{2} \mathrm{O}_{6}^{2-}

Step-by-step solution

According to chemical bond method: The oxidation states of sulphur in the anions SO_ 3 ^ 2- , S_ 2 O_ 4 ^ 2- and S_ 2 O_ 6 ^ 2- follow the order
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