When ethanol reacts with ethanoic acid in presence of conc. $H_{2} S O_{4}$ a substance with fruity smell is produced, based on this answer the following:
1) State the class of compounds to which the fruity smelling compound belongs to.
2) Write the role of $H_{2} S O_{4}$ .

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Solution

1) Ester

2) Sulphuric acid is used as a catalyst and has a dual role: speeds up the reaction. It also acts as a dehydrating agent, forcing the equilibrium to the right and resulting in a greater yield of ester.

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Q. When ethanol reacts with ethanoic acid in the presence of conc.

H_{2} S O_{4}

, a substance with the fruity smell is produced.

(i) State the compounds to which 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.

H_{2} S O_{4}

in this reaction.

Q. Heating a mixture of ethanol and ethanoic acid in presence of conc.

H_{2} {SO}_{4}

produces a fruity smelling compound. This reaction is called __________ reaction.

Q. Heating a mixture of ethanol and ethanoic acid in presence of conc.

H_{2} {SO}_{4}

produces a fruity smelling compound. This reaction is called __________ reaction.

Q. A neutral organic compound is warmed with some ethanoic acid and a little of conc. H₂SO₄. Vapours having sweet smell (fruity smell) are evolved. What type of functional group is present in this organic compound?

A compound X is obtained by the reaction of alkaline $K M n O_{3}$ with another compound Y followed by acidification. Compound X also reacts with compound Y in presence of few drops of $H_{2} S O_{4}$ to form a sweet smelling compound Z. The compound X, Y and Z are respectively.

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When ethanol reacts with ethanoic acid in presence of conc. H2SO4 a substance with fruity smell is produced, based on this answer the following: 1) State the class of compounds to which the fruity smelling compound belongs to. 2) Write the role of H2SO4.

1) Ester 2) Sulphuric acid is used as a catalyst and has a dual role: speeds up the reaction. It also acts as a dehydrating agent, forcing the equilibrium to the right and resulting in a greater yield of ester.

When ethanol reacts with ethanoic acid in presence of conc. $H_{2} S O_{4}$ a substance with fruity smell is produced, based on this answer the following:
1) State the class of compounds to which the fruity smelling compound belongs to.
2) Write the role of $H_{2} S O_{4}$ .

1) Ester

2) Sulphuric acid is used as a catalyst and has a dual role: speeds up the reaction. It also acts as a dehydrating agent, forcing the equilibrium to the right and resulting in a greater yield of ester.