1B Carboxylic acids  /12

    1)          a)  Write the molecular formula for ethyl propanoate  [1]

                 b)  Write a balanced chemical equation for the formation of ethyl propanoate  [1]

                 c)  Write a balanced chemical equation for the reaction between ethanoic acid and sodium metal  [1]

                 d)  Write a balanced chemical equation for the reaction between ethanoic acid and potassium hydroxide  [1]

                 e)  Write a balanced chemical equation for the reaction between ethanoic acid and calcium carbonate  [1]

    2)          Esterification can be reversed by hydrolysis.  Write equations for the hydrolysis of:       

                 a)  Acid hydrolysis of Methyl propanoate  [1]

                 b)  Acid hydrolysis of Ethyl methanoate  [1]

                 c)  Alkaline hydrolysis (NaOH) of Propyl ethanoate  [1]

                 d)  Alkaline hydrolysis (NaOH) of Methyl ethanoate  [1]

    3)          Ethanoic anhydride is much more reactive than ethanoic acid.

                 a)  Draw the structure of ethanoic anydride and explain how it is formed:  [1]

                 b)  Write an equation for the formation of methyl ethanoate using ethanoic anyhdride  [2]