MEDIUMMCQ SINGLEJEE Advanced ChemistryPhysical ChemistryRedox Reactions/Volumetric AnalysisBalancing Redox Reactions

In the chemical reaction, K₂Cr₂O₇ + XH₂SO₄ + YSO₂ → K₂SO₄ + Cr₂(SO₄)₃ + ZH₂O, X, Y and Z are

A.1,3,1

B.4,1,4

C.3,2,3

D.2,1,2

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