- 1(current)
Q. No.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:
\(\mathrm{a} \mathrm{Cr}_2 \mathrm{O}_7^{2-}+\mathrm{bSO}_3^{2-}(\mathrm{aq})+\mathrm{c} \mathrm{H}^{+}(\mathrm{aq}) \rightarrow\)
\(2 \mathrm{a} \mathrm{Cr}^{3+}(\mathrm{aq})+\mathrm{bSO}_4^{2-}(\mathrm{aq})+\frac{\mathrm{c}}{2} \mathrm{H}_2 \mathrm{O}(\ell) \)
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 |
74%
From NCERT
NEET - 2023
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