COMEDK · Chemistry · 9. Redox Reactions
The equivalent weight of potassium permanganate in acid solution is
- A 158
- B 31.6
- C 52.16
- D 79
Answer & Solution
Correct Answer
(B) 31.6
Step-by-step Solution
Detailed explanation
In acidic medium, \(\mathrm{KMnO}_4\) reacts as follows, \(\begin{aligned} 2 \mathrm{KMnO}_4+3 \mathrm{H}_2 \mathrm{SO}_4 \longrightarrow & \mathrm{~K}_2 \mathrm{SO}_4+2 \mathrm{MnSO}_4 \\ +3 \mathrm{H}_2 \mathrm{O} & +5(\mathrm{O}) \end{aligned}\) Or…
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