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प्रश्न
Distinguish between esterification and saponification reactions with the help of chemical equations for each.
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उत्तर
| Esterification | Saponification |
| 1. It is a reaction in which carboxylic acids react with alcohols in the presence of conc. H2SO4 | It is a reaction in which an ester reacts with an alkali. |
| 2. The formation of a fruity smell compound takes place called an ester. | The formation of soap takes place. |
| 3. It needs a catalyst for a reaction to occur. | No catalyst is required for the reaction to take place. |
|
4. The chemical equation involved is: \[\ce{CH3COOH + C2H5OH ->[conc. H2SO4]CH3COOC2H5 + H2O}\] |
The chemical equation involved is: \[\ce{CH3COOC2H5 + NaOH -> CH3COONa + C2H5OH}\] |
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संबंधित प्रश्न
Ethanoic acid has a .................... odour.
(a) Rotten eggs
(b) Pungent
(c) Vinegar-like
(d) Mild
The molecular formula of acetic acid is _________ .
(a) CH3COOH
(b) CH3 – CH3
(c) C6H6
(d) C2H4
You have four test tubes, A, B, C and D containing sodium carbonate, sodium chloride, lime water and blue litmus solutions respectively. Out of these the material of which test tube/ test tubes would be suitable for the correct test of acetic/ethanoic acid?
(a) only A
(b) A and B
(c) B and C
(d) A and D
How does ethanoic acid react with sodium hydrogen carbonate? Give equation of the reaction which takes place.
How is ethanoic acid obtained from ethanol? Write down the chemical equation of the reaction involved.
How is acetic acid prepared from acetylene?
On adding NaHCO3 to acetic acid, a gas is evolved which turns lime water milky due to the formation of:
(1) Calcium bicarbonate
(2) Calcium hydroxide
(3) Calcium carbonate
(4) Calcium acetate
Write the important uses of acetic acid.
Fill in the blank with appropriate word/words.
Denatured alcohol is a mixture of _____ and _______
State how the following conversions can be carried out:
Ethene to Ethyl alcohol.
