MCQ
In neutral or alkaline solution, $MnO _{4}^{-}$oxidises thiosulphate to.
- A$S _{2} O _{7}^{2-}$
- B$S _{2} O _{8}^{2-}$
- C$SO _{3}^{2-}$
- ✓$SO _{4}^{2-}$
✓
Answer
Correct option: D.
$SO _{4}^{2-}$
d
$8 MnO _{4}^{-}+3 S _{2} O _{3}^{2-}+ H _{2} O \frac{\text { neutral or }}{\text { alk. solution }} 88 MnO _{2}+6 SO _{4}^{2-}+2 OH ^{-}$
$8 MnO _{4}^{-}+3 S _{2} O _{3}^{2-}+ H _{2} O \frac{\text { neutral or }}{\text { alk. solution }} 88 MnO _{2}+6 SO _{4}^{2-}+2 OH ^{-}$
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