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प्रश्न
How are the following conversions brought about? Give equation and condition:
Sulphur trioxide to sulphur acid.
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उत्तर
Sulphur trioxide to sulphur acid:
There is absorption of sulphur trioxide in 98% sulphuric acid to form oleum.
SO3 + H2SO4 → H2S2O7
Dilution of oleum to get sulphuric acid of desired concentration.
H2S2O7 + H2O → 2H2SO4
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संबंधित प्रश्न
What is the name given to the salts of sulphuric acid?
Give reason for the following:
Red brown vapours are produced when concentrated sulphuric acid is added to hydrogen bromide.
Give reasons for the following:
A piece of wood becomes black when concentrated sulphuric acid is poured on it.
Name the following:
Solution obtained by dissolving sulphur trioxide in 98% sulphuric acid.
Give reason for the following:
Concentrated sulphuric acid must be stored in airtight bottles.
Name two other acids other than sulphuric acid, which can be prepared by using sulphuric acid.
Sulphuric acid is manufactured by the contact process.
Why H2SO4 is not obtained by directly reacting SO3 with water?
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.
Which property of sulphuric acid accounts for its use as a dehydrating agent?
What property of Sulphuric acid is exhibited in the following case?
In the preparation of HCI gas when it reacts with Sodium chloride.
