For the given redox reaction, \(\mathrm{a} \mathrm{Cr}_2 \mathrm{O}_7^{2-}+\mathrm{bSO}_3^{2-}(\mathrm{aq})+\mathrm{c} \mathrm{H}^{+}(\mathrm{aq}) \rightarrow\) \(2 \mathrm{a} \mathrm{Cr}^{3+}(\mathrm{aq})+\mathrm{bSO}_4^{2-}(\mathrm{aq})+\frac{\mathrm{c}}{2} \mathrm{H}_2 \mathrm{O}(\ell) \)
the coefficients a, b and c of a balanced equation are found to be, respectively:
1.
8, 1, 3
2.
1, 3, 8
3.
3, 8, 1
4.
1, 8, 3
Subtopic: Balancing of Equations |
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From NCERT
NEET - 2023
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