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Answer the following.
Complete and balance the following chemical equation:
Complete and balance the following chemical equation:
$\text{KMnO}_4 + \text{H}_2\text{SO}_4 + \text{H}_2\text{S} \rightarrow \underline{\qquad} + \underline{\qquad} + \underline{\qquad} + \underline{\qquad}$
Answer
Answer
Official answer keyEquation: $2\mathrm{KMnO_{4}} + 3\mathrm{H_{2}SO_{4}} + 5\mathrm{H_{2}S} \longrightarrow \mathrm{K_{2}SO_{4}} + 2\mathrm{MnSO_{4}} + 8\mathrm{H_{2}O} + 5\mathrm{S}$
Potassium permanganate oxidises $\mathrm{H_2S}$ to sulphur in acidic medium.
From ISC 2027 Specimen Chemistry Paper 1, question 15(i).
Check your working with the Chemical equation balancer: balance any equation, ionic and redox ones too, with the atom count on each side.