JEE Advanced · Chemistry · 9. Redox Reactions
In a neutral or faintly alkaline solution, moles of permanganate anion quantitatively oxidize thiosulphate anions to produce moles of a sulphur containing product. The magnitude of is:
- A 2
- B 4
- C 6
- D 8
Answer & Solution
Correct Answer
(C) 6
Step-by-step Solution
Detailed explanation
\(8 \text{MnO}_4^{-}+3\text S_2\text O_3^{2-}+\text H_2\text O \rightarrow 8 \text{MnO}_2+6 \text{SO}_4^{2-}\) \(+~2 \text{OH}^{-}\)
Moles of \(\text{SO} _4^{2-}\) formed from 8 moles of \(\text{MSO} _4^{-}=6\)
Moles of \(\text{SO} _4^{2-}\) formed from 8 moles of \(\text{MSO} _4^{-}=6\)
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