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ChemistryJEE Main 21 Jan 2026, Shift 1·Q8·MCQ·Easy–moderate

Purification & Characterisation · Carius method sulphur estimation

In Carius method, 0.75 g of an organic compound gave 1.2 g of barium sulphate, find percentage of sulphur (molar mass 32 g mol−1^{-1}). Molar mass of barium sulphate is 233 g mol−1^{-1}.
  1. (1)4.55%
  2. (2)10.30%
  3. (3)21.97%
  4. (4)16.48%

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