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Question
What would you observe in the following case?
Sulphur trioxide is dissolved in water on a large scale.
Solution
When water is dissolved in large scale then sulphuric acid is formed.
\[\ce{SO3 + H2O -> H2SO4}\]
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RELATED QUESTIONS
What is the name given to the salts of sulphurous acid?
Give reason for the following:
Red brown vapours are produced when concentrated sulphuric acid is added to hydrogen bromide.
Copy and complete the following table:
| Column 1 Substance reacted with acid |
Column 2 Dilute or concentrated acid |
Column 3 Gas |
| Hydrogen | ||
| Carbon dioxide | ||
| Only chlorine |
Distinguish between the following pairs of compounds using the reagent given in the bracket.
Ferrous sulphate solution and ferric sulphate solution. (Using sodium hydroxide solution)
How does sulphuric acid occur in nature?
Give reason for the following:
Concentrated sulphuric acid must be stored in airtight bottles.
In using sulphuric acid to prepare other acids, as mentioned above, which property of sulphuric acid is used ?
Write a balanced chemical equation when hot and concentrated sulphuric acid reacts with the following:
Sulphur
Some properties of sulphuric acid are listed below. Choose the property A, B, C or D which is responsible for the reactions (i) to (v). Some properties may be repeated:
- Typical acid
- Dehydrating agent
- Non-volatile acid
- Oxidizing agent
- \[\ce{C12H22O11 + nH2SO4 -> 12C + 11H2O + nH2SO4}\]
- \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\]
- \[\ce{NaCl + H2SO4 -> NaHSO4 + HCl}\]
- \[\ce{CuO + H2SO4 -> CuSO4 + H2O}\]
- \[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2}\]
The following are the typical properties of dilute acid. Complete them by inserting suitable words:
Carbonate/hydrogen carbonate + Acid → ______ + ______ + ______
