Potassium permanganate, KMnO4, is a strong oxidizing agent and is reduced when it reacts. Here a ~10^-3M solution of potassium permanganate in a pipette is added to a beaker containing a primary alcohol (70% ethanol). Alcohol reduces violet Mn 7+ to nearly colorless Mn 2+. A dropperful of 1M NaOH has been added to the alcohol to promote a greater oxidation speed.
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Creative#:
TOP22302493
Source:
達志影像
Authorization Type:
RM
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