Equilibria - Save My Exams
(e) The sulfur dioxide content of wine is most commonly measured by the Ripper Method which involves titration with iodine in the presence of starch as an indicator. SO 2 (aq) + I 2 (aq) + 2H 2 O(l) → 2I –(aq) + SO 4 2–(aq) + 4H+(aq) 3A 50.0 cm sample of wine required 12.35 cm3 of 0.010 mol dm–3 I 2 (aq) for complete reaction with the SO 2.
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