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प्रश्न
Explain the following reaction with an example.
Esterification
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उत्तर
Substances having ester as the functional group are formed by a reaction between a carboxylic acid and an alcohol. This reaction is known as esterification.
E.g. When ethanoic acid is heated with ethanol in a water bath in the presence of an acid catalyst (concentrated sulphuric acid), ethyl ethanoate and water are formed.
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संबंधित प्रश्न
Ethanoic acid has a .................... odour.
(a) Rotten eggs
(b) Pungent
(c) Vinegar-like
(d) Mild
What do you observe when you drop a few drops of acetic acid to test tubes containing
(a) phenolphthalein
(b) distilled water
(c) universal indicator
(d) sodium hydrogen carbonate powder
Complete the following chemical equations :CH3COOH + Na2CO3 →
Give balanced chemical equations for Sodium ethanoate to methane.
Give a reason for Conductivity of dilute hydrochloric acid is greater than that of acetic acid
What is the common name of ethanoic acid?
Give the common name and IUPAC name of C2H5OH.
Describe a test for carboxylic acids.
What happens when ethanoic acid reacts with sodium hydroxide? Write equation of the reaction involved.
An organic compound X of molecular formula C2H4O2 gives brisk effervescence with sodium hydrogen carbonate. Give the name and formula of X.
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
Name the first four members of alphatic carboxylic acid.
How Will You Carry Out the Following Conversions?
Ehane to acitic acid
Choose the correct answer:
Select the acid which contains four hydrozen atoms in it.
State how the following conversions can be carried out:
Ethene to Ethyl alcohol.
Write a balanced chemical equation for the following:
Monochloroethane is hydrolysed with aqueous KOH.
Give balanced chemical equations for the following conversion :
Ethanoic acid to ethyl ethanote
Give a chemical reaction in which a catalyst is used.
Which of the following substance produces brisk effervescence with baking soda solution?
Name the oxidising agent used in the conversion of ethanol to ethanoic acid.
