Question

The correct set of the f-number of different elements in the equation
2K Cr2O, + 8H2SO4 → 2K2SO4 + 2Cr2(SO4)3 + 8H20 + 300
O K-2, Cr-3,0-6, H-2.5-2
O K-2, Cr-2 0-6, H-2, S-3
O K-2, Cr-3, 0-5, H-2, S-3
O K-2 Cr-2 0-6 H-2 S-2​

Answer 1

Explanation:

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