Why must the permanganate ion be stored in a dark container prior to use?

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Why must the permanganate ion be stored in a dark container prior to use?

2007-11-03 21:45:22 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

2 answers

Light energy can transfer electrons from the oxygen to the manganese. This is the process that gives permanganate its colour. Sometimes, this leads on to decomposition, giving oxygen and manganese dioxide.

2007-11-03 21:43:47 · answer #1 · answered by Facts Matter 7 · 0⤊ 0⤋

It can undergo photo-decomposition.

2007-11-04 04:10:33 · answer #2 · answered by archerscourtscience 2 · 0⤊ 0⤋