Original post by we knnow
why is an excess of acid added to potassium manganate(VII) titrations
Look at the half equation for the reduction of MnO4- to Mn2+
Original post by Kian Stevens
Look at the half equation for the reduction of MnO4- to Mn2+
it has lost electrons is that the reason?
Original post by we knnow
it has lost electrons is that the reason?
The reduction inherently requires acid
An excess is added to ensure that the correct reduction occurs
(edited 4 years ago)
Original post by Deggs_14
Because 14 protons are required to reduce.
Are you quite sure about that?
Original post by Pigster
Are you quite sure about that?
Oh yes it’s 8H+ not 14H+, I was thinking of the dichromate half equation.
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