Natural Fats and Oils-C6

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  • Natural Fats and Oils
    • Single bond chains- saturated
      • Double bonds- unsaturated
        • Test for unsaturation-bromine water
          • Single bond chains- saturated
            • Double bonds- unsaturated
              • Test for unsaturation-bromine water
                • Unsaturated=lose colour. Remains orange with saturated compounds
          • Unsaturated=lose colour. Remains orange with saturated compounds
    • Polyunsaturat-ed- more than one C=C bond
      • Lower levels of cholesterol that causes heart disease
    • Oil and water- immiscible liquids-disperse to form an emulsion
      • Milk-oil in water, Margerine-water in oil
    • Addition reaction-bromine reacts with the C=C bond
      • Dibromo compound- colourless (uses up bromine molecules)
    • Saturated compounds cannot react with bromine- no C=C bond
    • Fat+sodium hydroxide ---> soap + glycerol
      • Splitting natural oils with alkalis
        • Saponification
          • Ester reacts with sodium hydroxide
            • Untitled

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