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प्रश्न
Sulphuric acid is manufactured by the contact process.
Why H2SO4 is not obtained by directly reacting SO3 with water?
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उत्तर
Sulphuric acid is not obtained directly by reacting SO3 with water because the reaction is highly exothermic, which produces the fine misty droplets of sulphuric acid that is not directly absorbed by water.
संबंधित प्रश्न
Give reasons for the following:
Brisk effervescence is seen when oil of vitriol is added to sodium carbonate.
Copy and complete the following table:
| Column 1 | Column 2 | Column 3 |
| Substance reacted with acid | Dilute or concentrated acid | Gas |
| Hydrogen | ||
| Carbon dioxide | ||
| Only chlorine |
Write a balanced chemical equation for each of the following reactions :
Action of dilute sulphuric acid on zinc sulphide.
Name the following:
Products obtained by dissolving sulphur dioxide and chlorine in water.
Give reason for the following:
When diluting concentrated sulphuric acid, the acid should be added to water and not water to the acid.
How are the following conversion brought about? Give equation and condition:
Aqueous lead nitrate to lead sulphate.
Choose the current answer from the options given below :
Which of the following gas dissolves in H2SO4 to give alum?
Name two other acids other than sulphuric acid, which can be prepared by using sulphuric acid.
In using sulphuric acid to prepare other acids, as mentioned above, which property of sulphuric acid is used ?
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Active metal + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
