What color is potassium permanganate in a strongly alkaline environment?

Blue

Violet

Green

Red

The permanganate anions are purple. In a strongly alkaline environment, they reduce to green manganese ions MnO4 (2-).

Iqbal Osman

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the United States

32%

52%

Australia

40%

15%

Nigeria

36%

26%

36%

Austria

16%

33%

16%

Poland

18%

42%

29%

1092

Germany

25%

42%

25%

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67%

20%

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23%

42%

19%

15%

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