Advertisements
Advertisements
प्रश्न
Sulphuric acid is manufactured by the contact process.
Why H2SO4 is not obtained by directly reacting SO3 with water?
Advertisements
उत्तर
Sulphuric acid is not obtained directly by reacting SO3 with water because the reaction is highly exothermic, which produces the fine misty droplets of sulphuric acid that is not directly absorbed by water.
APPEARS IN
संबंधित प्रश्न
What is the name given to the salts of sulphurous acid?
What is the name given to the salts of sulphuric acid?
Give reasons for the following:
A piece of wood becomes black when concentrated sulphuric acid is poured on it.
Name the following:
Products obtained by dissolving sulphur dioxide and chlorine in water.
How will you distinguish between conc. HCl and conc. H2SO4?
Fill in the blank with appropriate word/words :
For the reaction SO2 + O2⇌ SO3 + Heat, the favourable conditions are _________ and __________.
Some properties of sulphuric acid are listed below. Choose the property A, B, C or D which is responsible for the reaction (a) to (e). Some properties may be repeated.
A. Acid
B. Dehydrating agent
C. Non-volatile acid
D. Oxidizing agent
(a) \[\ce{C12H22O11 + nH2SO4 -> 12C + 11H2O + nH2SO4}\]
(b) \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\]
(c) \[\ce{NaCl + 2H2SO4 -> NaHSO4 + HCl}\]
(d) \[\ce{CuO + 2H2SO4 -> CuSO4 + H2O}\]
(e) \[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2}\]
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the sulphur.
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the sugar.
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.
