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प्रश्न
Which of the following represents saponification reaction?
विकल्प
`"CH"_3"COONa" + "NaOH"overset("CaO")(->) "CH"_4 + "Na"_2"CO"_3`
`"CH"_3"COOH" + "C"_2"H"_5"OH" overset("H"_2"SO"_4)(->)"CH"_3"COOC"_2"H"_5 + "H"_2"O"`
2CH3COOH + 2Na → 2CH3 COONa + H2
CH3COOC2H5 + NaOH → CH3 COONa + C2 H5OH
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उत्तर
CH3COOC2H5 + NaOH → CH3 COONa + C2 H5OH
Explanation -
On treating with sodium hydroxide, which is an alkali, the ethyl acetate, which is an ester, is converted to alcohol and sodium acetate (salt of carboxylic acid). This reaction is known as saponification because it is used in the preparation of soap.
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संबंधित प्रश्न
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
Give balanced chemical equations for Sodium ethanoate to methane.
Name the functional group present in an organic compound which gives brisk effervescence with NaHCO3.
propanol into propanoic acid?
Name the process in each case and write the equations of the reactions involved.
What is an oxidising agent?
An organic compound X of molecular formula C2H4O2 gives brisk effervescence with sodium hydrogen carbonate. Give the name and formula of X.
Give any two uses of ethanoic acid.
Vinegar is a solution of about:
(a) 5 to 8 per cent ethanoic acid in alcohol
(b) 5 to 8 per cent ethanoic acid in water
(c) 50 to 80 per cent ethanoic acid in water
(d) 50 to 80 per cent ethanoic acid in alcohol
The structural formula of an ester is :
Write the formula of the acid and the alcohol from which it is formed.
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
Write three physical properties of acetic acid.
Write the chemical equation for the following:
Combustion of methane
Choose the correct answer:
Select the acid which contains four hydrozen atoms in it.
The functional group present in acetic acid is ______.
When acetaldehyde is oxidized with acidified potassium dichromate, it forms ______.
Give reason for the following :
Ethyne is more reactive than ethane
Ethanoic acid turns ______ litmus to ______
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:
Oxidation of ethanol by acidified potassium dichromate.
