Carboxylic Acids

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  • Carboxylic Acids
    • -COOH , -anoic acid
    • Methanoic acid HCOOH, Ethanoic acid CH3COOH, Propanic acid C2H5COOH
    • Ethanoic acid can be made by oxidising ethanol
      • Microbes like yeast cause ethanol to ferment
      • Ethanol + oxygen --> ethanoic acid + water
    • Salts formed in this reactions end in -anoate
      • ethanoic acid + sodium carbonate --> sodium ethanoate + water + CO2
    • Dissolve in water produce acidic solutions
      • When dissolve ionise and release H+ ions responsible for making solution acidic
        • Do not ionise completely form weak acidic solutions
          • Means have higher pH than aqueous solutions of strong acids with same concentration
    • Citric acid (another carboxylic acid)


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