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प्रश्न
Give two balanced reactions of the type to show the following property of sulphuric acid:
Oxidising agent
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उत्तर
H2SO4 is an oxidising agent.
For example, it oxidises
- Carbon to carbon dioxide.
\[\ce{C_{(s)} + 2H2SO4 -> CO2_{(g)} + 2H2O_{(l)} + 2SO2}\] - Sulphur to sulphur dioxide.
\[\ce{S_{(s)} + H2SO4 -> 3SO2_{(g)} + 2H2O_{(l)}}\]
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संबंधित प्रश्न
Write balanced chemical equations to show : The oxidizing action of conc. Sulphuric acid on carbon
Give appropriate scientific reasons for The electrical conductivity of acetic acid is less in comparison to the electrical conductivity of dilute sulphuric acid at a given concentration.
Which property of sulphuric acid is shown by the reaction of the concentrated sulphuric acid with ethanol?
Name the products formed when hot and concentrated sulphuric acid reacts with Sulphur.
Why is H2SO4 is not used as a drying agent for H2S?
Give reason for the following:
When barium chloride is added to dilute sulphuric acid, a white precipitate is formed.
Give reason for the following:
Ammonia gas cannot be dried by passing through concentrated sulphuric acid.
Give reason for the following:
When concentrated sulphuric acid is added to blue crystalline copper sulphate, it turns powdery white.
Copy and complete the following table.
Column 3 has the names of gases to be prepared using the substance you enter in column 1, along with dilute or concentrated sulphuric acid, as indicated in column 2.
| Column 1 | Column 2 | Column 3 |
| Substance reacted with acid | Dilute or concentrated sulphuric acid | Gas |
| Hydrogen | ||
| Carbon dioxide | ||
| Only chlorine |
Write the equation for the laboratory preparation of :
(i) Sodium sulphate using dilute sulphuric acid.
(ii) Lead sulphate using dilute sulphuric acid.
State your observation of the following case:
When dilute hydrochloric acid is added to sodium carbonate crystals.
