Kelvi

On balancing the given redox reaction, $\newline a Cr_2O_7^{2-} + b SO_3^{2-} (aq) + c H^+ (aq) \rightarrow 2a Cr^{3+} (aq) + b SO_4^{2-} (aq) + \frac{c}{2} H_2O (\ell) \newline$ the coefficients are:

hard

RedoxReactions

2023

chemistry

1, 3, 8

3, 8, 1

1, 8, 3

8, 1, 3

Explanation

To balance the given redox reaction, we need to follow these steps: $\\$ 1. Identify the oxidation and reduction half-reactions. $\\$ • Reduction: $Cr_2O_7^{2-} \rightarrow Cr^{3+} \\$

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