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ChemistryJEE Main 4 Apr 2026, Shift 1·Q6·MCQ·Moderate

Redox Reactions · Redox titration equivalents

In order to oxidise a mixture of 1 mole each of FeCX2OX4\ce{FeC2O4}, FeX2(CX2OX4)X3\ce{Fe2(C2O4)3}, FeSOX4\ce{FeSO4} and FeX2(SOX4)X3\ce{Fe2(SO4)3} in acidic medium, the number of moles of KMnOX4\ce{KMnO4} required is :
  1. (1)3
  2. (2)2
  3. (3)5
  4. (4)7

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See the full 4 Apr 2026, Shift 1 paper