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BITSAT2009ChemistryRedox ReactionsActual

The oxidation states of sulphur in the anions SO ₃²⁻, S ₂ O ₄²⁻ and S ₂ O ₆²⁻ follow the order

Options

  1. ASO ₃²⁻< S ₂ O ₄²⁻< S ₂ O ₆²⁻
  2. BS ₂ O ₄²⁻< S ₂ O ₆²⁻< SO ₃²⁻
  3. CS ₂ O ₆²⁻< S ₂ O ₄²⁻< SO ₃²⁻
  4. DS ₂ O ₄²⁻< SO ₃²⁻< S ₂ O ₆²⁻

Correct answer

D. S ₂ O ₄²⁻< SO ₃²⁻< S ₂ O ₆²⁻

Step-by-step solution

According to chemical bond method:

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