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प्रश्न
Rewrite the following statement by selecting the correct option.
The formula of ethanoic acid is _____________.
विकल्प
HCOOH
C2H5COOH
CH3COOH
None of the above
उत्तर
The formula of ethanoic acid is CH3COOH.
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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
In order to study saponification reaction, we first prepare 20% solution of sodium hydroxide. If we record the temperature of this solution just after adding sodium hydroxide flakes to water and also test its nature using litmus, it may be concluded that the process of making this solution is
(A) exothermic and the solution is alkaline
(B) endothermic and the solution is alkaline
(C) endothermic and the solution is acidic
(D) exothermic and the solution is acidic
How esters are prepared ?
Complete the following chemical equations:
C2H5OH+CH3COOH`("conc."H_2SO_4)/`>
Which of the following will give brisk effervescence with sodium hydrogen carbonate and why?
CH3COOH, CH3CH2OH
Name one chemical compound which can be used to distinguish between ethanol and ethanoic acid.
Name two oxidising agents which can oxidise ethanol to ethanoic acid.
How does ethanoic acid react with sodium hydrogen carbonate? Give equation of the reaction which takes place.
What do you observe when acetic acid is added to ethyl alcohol in the presence of sulphuric acid?
What do you observe when acetic acid is added to a neutral FeCl3 solution?
State how the following conversions can be carried out:
Ethyl alcohol to Ethane
State the observation
When the gaseous product obtained by dehydration of ethyl alcohol is passed through bromine water.
Draw the structural formula for the following:
Ethanoic acid
Ethanoic acid _________.
CH3–CH2–CHO : propanal : : CH3–COOH : _______
Explain the following reaction with an example.
Saponification
In the presence of the acid catalyst, ethanoic acid reacts with ethanol and ______ ester is produced.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
