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Reduction of Carboxylic Acids

Q. A neutral ...

Question

Q. A neutral organic compound X of molecular formula C2 H6 0 on oxidation with acidified potassium dichromate gives an acidic compound Y. Compound X reacts with compound Y on warming in presence of conc. H2 SO4 to give a sweet smelling substance Z. (a) Identify X, Y and (b) Write the chemical equation for the reactions involved.

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Solution

Esters are sweet smelling substances hence Z is an ester,
Acids react with alcohols to give esters as it is given that Y is an acid hence X is an alcohol. Potassium dichromate is an oxudising agent. It oxidises the alcohol to acid.

Hence X = C₂H₆O = C₂H₅OH
Y = CH₃COOH
Z= CH₃COOC₂H ₅

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