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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.
\[\ce{\underset{Acetic acid}{CH3COOH} + \underset{Ethanol}{C2H5OH} ->[H2SO4] \underset{Ethyl acetate}{CH3COOC2H5} + H2O}\]
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संबंधित प्रश्न
In an experiment to study the properties of ethanoic acid, a student takes about 3 mL of ethanoic acid in a dry test tube. He adds an equal amount of distilled water to it and shakes the test tube well. After some time he is likely to observe that
(A) a colloid is formed in the test tube.
(B) the ethanoic acid dissolves readily in water.
(C) the solution becomes light orange.
(D) water floats over the surface of ethanoic acid.
A student adds a few drops of ethanoic acid to test tubes X, Y and Z containing aqueous solutions of sodium chloride, sodium hydroxide and sodium carbonate, respectively. If he now brings a burning splinter near the mouth of the test tubes immediately after adding ethanoic acid in each one of them, in which of the test tube or test tubes the flame will be extinguished?
(A) X and Y
(B) Y and Z
(C) X and Z
(D) only Z
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
When you add a few drops of acetic acid to a test-tube containing sodium bicarbonate powder, which one of the following is your observation?
(A) No reaction takes place
(B) A colourless gas with pungent smell is released with brisk effervescence
(C) A brown coloured gas is released with brisk effervescence
(D) Formation of bubbles of a colourless and odourless gas
Give a reason for Conductivity of dilute hydrochloric acid is greater than that of acetic acid
Which of the following will give brisk effervescence with sodium hydrogen carbonate and why?
CH3COOH, CH3CH2OH
What is vinegar and glacial acetic acid?
Write three physical properties of acetic acid.
State how the following conversions can be carried out:
Ethyl chloride to Ethyl alcohol
Give a chemical reaction in which a catalyst is used.
