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Q. No.For the given redox reaction, find out the coefficients a, b and c of a balanced equation respectively:
\(\mathrm{{a} {Cr}_2 {O}_7^{2-}+{bSO}_3^{2-}({aq})+{c} {H}^{+}({aq})} →\)\(\mathrm{2 {a} {Cr}^{3+}({aq})+{bSO}_4^{2-}({aq})+\frac{{c}}{2} {H}_2 {O}(\ell)} \)
\(\mathrm{{a} {Cr}_2 {O}_7^{2-}+{bSO}_3^{2-}({aq})+{c} {H}^{+}({aq})} →\)\(\mathrm{2 {a} {Cr}^{3+}({aq})+{bSO}_4^{2-}({aq})+\frac{{c}}{2} {H}_2 {O}(\ell)} \)
| 1. | 8, 1 and 3 | 2. | 1, 3 and 8 |
| 3. | 3, 8 and 1 | 4. | 1, 8 and 3 |
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Subtopic: Balancing of Equations |
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