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SOLUBILITY DEMONSTRATION:2-PROPANOL & KMnO4.Addition of 18-crown-6 (C12H24O6)
Crown ethers are cyclic polyethers that may be used as agents to promote solubility of inorganic salts in organic solutions. Potassium permanganate is insoluble in 2% isopropanol. The addition of the crown ether forces it to dissolve.
Copyright:© 2005 Richard Megna - Fundamental Photographs
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