Oxalate ion, C2O4 2–, can be quantitated by titration with potassium permanganate in acidic solution — Laboratory Chemistry Chemistry Question
Question
Oxalate ion, C2O4 2–, can be quantitated by titration with potassium permanganate in acidic solution. Which is used to identify the endpoint?
A.✓ Correct
A persistent pink color from permanganate
B.
A persistent pink color from Mn2+
C.
A persistent pink color from added phenolphthalein
D.
Bubbles of CO2 are no longer observed
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