Sat July 09, 2011 By:

What is the reaction when lemon drops are added to KMnO4 solution? I need the answer with the equation.

Expert Reply
Mon July 11, 2011
 when a drop of lemon is added to KMnO4- solution, the purple colour of KMnO4-faints to light pink.lemon contains citric acid , citric acid gives  H+ in solution .KMnO4- produce MnO4- ions in the solution.
MnO4-+8H+?  Mn2+      +   4H2O
(purple)       (fainting pink)
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