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15 cards from this deck
C6H5COOH\mathrm{C_6H_5COOH}C6H5COOH
E211, food preservative
Synthesis by oxidation, recrystallisation, melting point test
Phenylmethanol (benzyl alcohol)
Potassium permanganate
Alkaline conditions
Purple to brown
Convert sodium benzoate to benzoic acid
Different solubilities at different temperatures
Very soluble in hot, slightly soluble in cold
Remove insoluble impurities
Separate pure crystals from soluble impurities
121-122°C (sharp)
Purity of sample
Buchner funnel
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