JEE Mains · Chemistry · STD 12 - 5. Co-ordination chemistry
In mildly alkaline medium, thiosulphate ion is oxidized by \(MnO _{4}^{-}\) to \("A".\) The oxidation state of sulphur in \("A"\) is ..... .
- A \(4\)
- B \(5\)
- C \(6\)
- D \(12\)
Answer & Solution
Correct Answer
(C) \(6\)
Step-by-step Solution
Detailed explanation
\(MnO _{4}^{-}+ S _{2} O _{3}^{2-} \rightarrow MnO _{2}+ SO _{4}^{2-}\) \(\quad \quad \quad \quad \quad \quad \quad\quad (+4) \quad \quad \quad (A)\) Oxidation state of \('S'\) in \(SO _{4}^{2-}\) \(=+6\)
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