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प्रश्न
State one relevant observation for given reactions:
Addition of ethyl alcohol to acetic acid in the presence of concentrated Sulphuric acid
उत्तर
On addition of ethyl alcohol to acetic acid in the presence of conc. H2SO4 at high temperature, sweet-smelling ethyl acetate ester is produced, and the process is known as esterification.
C2H5OH + CH3COOH → CH3COOC2H5 + H2O
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संबंधित प्रश्न
Give two balanced reactions of the type to show the following property of sulphuric acid:
Acidic nature.
What would you observe in the following case?
Concentrated sulphuric acid is added to equal volumes of cold water.
Give reason for the following:
Cotton clothes get burnt with concentrated sulphuric acid.
How are the following conversion brought about? Give equation and condition:
Dilute sulphuric acid to hydrogen.
Sulphuric acid can be used to prepare a number of gases in the laboratory. Write balanced equation for the reaction from which the folllowing gas are obtained, using dilute sulphuric acid as one of the reactant : Carbon dioxide
What do you see when concentrated sulphuric acid is added to copper sulphate-5-water ( You are not required to say what is happing, nor is it necessary to name the products.)
Give a balanced chemical equation for the action of sulphuric acid of the following:
Sulphur
Identify the gas evolved and give the chemical test in the following case:
Dilute hydrochloric acid reacts with sodium sulphite.
Rewrite the following statement by adding the correct word, as shown in the example:
|
Example: Given Statement: Ammonia changes moist red litmus to blue. Correct Statement: Aqueous ammonia changes moist red litmus to blue. |
Sulphuric acid acts as a dehydrating agent.
Hydrogen chloride gas is prepared in the laboratory by the action of concentrated sulphuric acid on sodium chloride.
Give a balanced chemical equation for the above reaction.
