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Biology and Chemistry Homework Help
KMnO4 Titration, why does it need to be in an acid?
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[QUOTE="colink96, post: 4536992, member: 471786"] [b]1. Homework Statement Fe(NH4)2(SO4)2*6H2O is mixed with H2SO4 and then titrated with KMnO4 until the equivalence point is reached. The question I am confused with is: What might have been the product(s) in the original solution if it had remained neutral? (if the solution was not acidified with H2SO4) How could you determine this? [/b] [b]2. Homework Equations Net Ionic Equation: 8H+ + MnO4- + 5Fe2+ => Mn2+ + 4H2O + 5Fe3+ [/b] [b]3. The Attempt at a Solution From the wikipedia page on this, it says that potassium permanganate degrades into MnO2 when reacted in a neutral equation. I would think that the redox reaction would still occur between the Fe2+ solution and the KMnO4, but it wouldn't reach the equivalence point since there is no acid...so it wouldn't change color? [/b] [/QUOTE]
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KMnO4 Titration, why does it need to be in an acid?
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