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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
List two uses of esters.
Complete the following chemical equations : C2H5OH + Na →
Give the name and structural formula of one homologue of HCOOH.
Complete the following equation:
`CH_3 COOH + CH_2 H_5 OH` 
The substance which can produce brisk effervescence with baking soda solution is:
(a) ethanol
(b) vegetable oil
(c) vinegar
(d) soap solution(b) hydrocarbon ends directed towards the centre and ionic ends directed outwards
In a soap micelle, the soap molecules are arranged radially with the hydrocarbon ends, i.e. hydrophobic, directed towards the centre; and, ionic ends, i.e. hydrophilic, directed outwards.
Explain the following term with example.
Reduction
State how the following conversion can be carried out:
Ethyl chloride to Ethene.
State the observation
When the gaseous product obtained by dehydration of ethyl alcohol is passed through bromine water.
Distinguish between esterification and saponification reactions with the help of chemical equations for each.
Give a chemical reaction in which a catalyst is used.
