1.

K₂Cr₂O₇ + (a)SO₂ + (b)H₂SO₄ --> K₂SO₄ + Cr₂(SO₄)₃ + (c)H₂O In the reaction what will be the respective number of coefficients (a), (b) and (c). (A) 1,1,3 (B) 3,1,1 (C) 1,3,1 (D) 3,1,3

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