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प्रश्न
What do you observe when acetic acid is added to ethyl alcohol in the presence of sulphuric acid?
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उत्तर
When acetic acid is added to ethyl alcohol in the presence of sulphuric acid, an ester (ethyl acetate) is formed. Esters can be detected by their fruity smell.
\[\ce{\underset{Acetic acid}{CH3COOH} + \underset{Ethanol}{C2H5OH} ->[H2SO4] \underset{Ethyl acetate}{CH3COOC2H5} + H2O}\]
संबंधित प्रश्न
Consider the following comments about saponification reactions:
I. Heat is evolved in these reactions.
II. For quick precipitation of soap, sodium chloride is added to the reaction mixtures.
III. Saponification reactions are a special kind of neutralisation reactions.
IV. Soaps are basic salts of long-chain fatty acids.
The correct comments are
(a) I, II and III
(b) II, III and IV
(c) I, II and IV
(d) Only I and IV
While studying saponification reaction for the preparation of soap, a teacher suggested to a student to add a small quantity of common salt to the reaction mixture. The function of common salt in this reaction is to
(A) reduce the alkalinity of the soap
(B) reduce the acidity of the soap
(C) enhance the cleansing capacity of soap
(D) favour precipitation of soap
How esters are prepared ?
Draw the structures for the following compounds of Propanoic acid.
What type of compound is formed when a carboxylic acid reacts with an alcohol in the presence of conc. H2SO4?
Name the product formed and give an appropriate chemical equation for the following:
Ethanol oxidised by acidified potassium dichromate.
What do you notice when acetic acid reacts with litmus?
Which of the following observations is true about dilute solution of acetic acid?
(A) It smells like vinegar and turns red litmus blue
(B) It smells like onion and turns blue litmus red
(C) It smells like orange and turns red litmus blue
(D) It smells like vinegar and turns blue litmus red
What is thr boilng point of acetic acid?
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
