standardization of sodium thiosuplhate and potassium iodate:
Why is HCL added to the titration?
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In the standardization of potassium permanganate1) Why is is unnecesssary to add an indicator during thetitration?2)Why is the solution of sodium oxalate acidified with sulfuricacid before titration?3)Why is the solution of sodium oxalate heated to 80 - 90 degrees Cbefore titration?