Find The Compounds Made Of C2H2O2

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An organic compound 'X' is widely used as a preservative in pickles and has a molecular formula C2H2O2. This compound reacts with ethanol to form a sweet smelling compound ‘Y'.
 
  a. Identify the compound ‘X’
   b. Write the chemical equation for its reaction with ethanol to form compound ‘Y’.
   c. How can we get compound ‘X’ back from ‘Y’?
   d. Name the process and write corresponding chemical equation.
   e. Which gas is produced when compound ‘X’ reacts with washing soda? Write the chemical equation.


Answer:

a. Compound X is ethanoic acid which gives and ester (Y) when reacts with ethanol.

b. CH3COOH + CH3CH2OH → CH3COOC2H5

c. Esters gives back alcohol and carboxylic acid in the presence of acid or base.

d. CH3COOC2H5 ---NaOH → C2H5OH + CH3COOH

e.CO2  gas is released.

      CH3COOH + Na2CO3 → 2CH3COONa + H2O + CO2


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