Advertisements
Advertisements
Question
How are the following conversions brought about? Give equation and condition:
Sulphur trioxide to sulphur acid.
Advertisements
Solution
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
APPEARS IN
RELATED QUESTIONS
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.
Give reasons for the following:
Brisk effervescence is seen when oil of vitriol is added to sodium carbonate.
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:
Sulphur trioxide to oleum.
How are the following conversion brought about? Give equation and condition:
Aqueous lead nitrate to lead sulphate.
Name two other acids other than sulphuric acid, which can be prepared by using sulphuric acid.
HCl, HNO3 and H2SO4 are formulae of three compounds. Which of these compounds has the highest boiling point and which has the lowest?
Sulphuric acid is manufactured by the contact process.
Why H2SO4 is not obtained by directly reacting SO3 with water?
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the sugar.
