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प्रश्न
When ethanol reacts with ethanoic acid in the presence of conc. H2SO4, a substance with fruity smell is produced. Answer the following:-
(i) State the class of compounds to which the fruity smelling compounds belong. Write the chemical equation for the reaction and write the chemical name of the product formed.
(ii) State the role of conc. H2SO4 in the reaction.
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उत्तर
(i). An ester is formed when an alcohol reacts with a carboxylic acid in the presence of an acidic medium. An ester has a fruity smell.
The chemical equation for the reaction between ethanol and ethanoic acid in the presence of conc. H2SO4 can be written as follows:-
(ii). Concentrated sulphuric acid acts as a protonating catalyst during the esterification reaction.
संबंधित प्रश्न
A student takes about 6 ml of distilled water in each of the four test tubes P, Q, R and S. He then dissolves an equal amount of four different salts namely, sodium chloride in 'P', potassium chloride in 'Q', calcium chloride in 'R' and magnesium chloride in 'S'. Next, he then adds 10 drops of soap solution to each test tube and shakes its contents. The test tubes in which scum (insoluble substance) is formed with soap are:
(A) P and Q
(B) Q and R
(C) R and S
(D) Q and S
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