When excess sodium sulphite solition is added to acidified potassium permanganate solution, there is a colour change.
Now fill in the blanks:
The colour changes from___________to___________ .
The________________MnO4^-(aq) ions are _____________to colourless__________ions. The SO3^2-(aq) ions are______________to ____________ions.
Chem easy Q5~
2007-04-24 9:27 am
回答 (1)
2007-04-24 9:37 am
✔ 最佳答案
The color changes from purple to colorless. The purple MnO4- ions are reduced to colorless Mn 2+ ions. The SO3 2- ions are oxidized to sulphate(SO4 2-) ions.
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