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प्रश्न
Give balanced chemical equations for the action of sulphuric acid on the following:
Sulphur
Give the equation for the action of sulphuric acid on sulphur.
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उत्तर
S + 2H2SO4 → 3SO2 + 2H2O
संबंधित प्रश्न
State one relevant observation for given reactions:
Action of concentrated Sulphuric acid on hydrated copper sulfate
Give reason for the following:
When concentrated sulphuric acid is exposed to air, its volume increases and it becomes slightly dilute.
Give reason for the following:
When carbon is heated with concentrated sulphuric acid, carbon dioxide is formed.
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.)
- Name the catalyst which helps in the conversion of sulphur dioxide to sulphur trioxide in step C.
- In the contact process for the manufacture of sulphuric acid, sulphur trioxide is not converted to sulphuric acid by reacting it with water. Instead a two-step procedure is used. Write the equations for the two steps involved in D.
- What type of substance will liberate sulphur dioxide from sodium sulphite in step E?
- Write the equation for the reaction by which sulphur dioxide is converted to sodium sulphite in step F.
Name the gas evolved in following case:
The gas produced by the action of concentrated sulphuric acid on sodium chloride.
What would you observe in the following case:
Sugar crystals are added to a hard glass test tube containing concentrated sulphuric acid.
State one appropriate observation of the following:
Dehydration of concentrated sulphuric acid with sugar crystals.
Identify the gas evolved and give the chemical test in the following case:
Dilute hydrochloric acid reacts with sodium sulphite.
The property exhibited by concentrated sulphuric acid when it is used to prepare hydrogen chloride gas from potassium chloride is ______.
