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प्रश्न
What property of conc. H2SO4 is made use of in the following case? Give an equation for the reaction in this case:
It’s reaction with ethanol.
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उत्तर
Concentrated sulphuric acid acts as a dehydrating agent in this reaction.
\[\ce{\underset{Ethanol}{C2H5OH} ->[conc.H2SO4][160^\circ C-170^\circ C]\underset{Ethene}{C2H4}}\]
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संबंधित प्रश्न
Give reasons for the following:
Brisk effervescence is seen when oil of vitriol is added to sodium carbonate.
Complete the following equations :
S + conc.HNO3 →
Name the following:
Solution obtained by dissolving sulphur trioxide in 98% sulphuric acid.
Give examples of the use of sulphuric acid as
An electrolyte in everyday use
In using sulphuric acid to prepare other acids, as mentioned above, which property of sulphuric acid is used ?
Making use only of substances chosen from those given below:
Dilute sulphuric acid
Sodium carbonate
Zinc
Sodium sulphite
Lead
Salcium carbonate
Give the equation for the reaction by which you could obtain:
- Hydrogen
- Sulphur dioxide
- Carbon dioxide
- Zinc Carbonate (two steps required).
Sulphuric acid is manufactured by the contact process.
Name the catalyst used.
Sulphuric acid is manufactured by the contact process
Name a gas that can be oxidized to sulphur.
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the sulphur.
State the observation for the following, when:
Concentrated sulphuric acid is added to carbon.
