CHM-2023-CG3-093

On balancing the given redox reaction, aCr₂O₇²⁻ + bSO₃²⁻(aq) + cH⁺(aq) → 2aCr³⁺(aq) + bSO₄²⁻(aq) + (c/2)H₂O(l), the coefficients a, b and c are found to be, respectively