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प्रश्न
Why is H2SO4 is not used as a drying agent for H2S?
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उत्तर
Sulphuric acid is not used as a drying agent for H2S because it reacts with H2S to form sulphur.
\[\ce{H2SO4 + H2S -> 2H2O + SO2 + S↓}\]
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संबंधित प्रश्न
The acid which is used in the preparation of a volatile acid
Give one equation to show the following properties of sulphuric acid:
Dehydrating property
Define the following term : Dehydrating agent
Sulphuric acid can be used to prepare a number of gases in the laboratory. Write balanced equation for the reaction from which the folllowing gas are obtained, using dilute sulphuric acid as one of the reactant : Carbon dioxide
Which concentrated acid oxidizes sulphur directly to sulphuric acid ? Write the equation for the same. What is the name of the process by which sulphuric acid is manufactured ? Name the catalyst used in the process.
State your observation for the following case :
Moist blue litmus is introduced into a gas jar of sulphur dioxide.
What property of sulphuric acid is shown by the reaction of concentrated sulphuric acid when heated with :
(i) Potassium nitrate
(ii) carbon
State two observations when
A few crystals of KNO3 are heated in a hard glass tube
State your observation of the following case:
When dilute hydrochloric acid is added to sodium carbonate crystals.
Name the gas released when sodium carbonate is added to a solution of sulphur dioxide.
