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प्रश्न
Give two balanced reactions of the type to show the following property of sulphuric acid:
Oxidising agent
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उत्तर
H2SO4 is an oxidising agent.
For example, it oxidises
- Carbon to carbon dioxide.
\[\ce{C_{(s)} + 2H2SO4 -> CO2_{(g)} + 2H2O_{(l)} + 2SO2}\] - Sulphur to sulphur dioxide.
\[\ce{S_{(s)} + H2SO4 -> 3SO2_{(g)} + 2H2O_{(l)}}\]
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संबंधित प्रश्न
Give appropriate scientific reasons for The electrical conductivity of acetic acid is less in comparison to the electrical conductivity of dilute sulphuric acid at a given concentration.
Write balanced equation for the reaction of dilute sulphuric acid with the following:
Lead nitrate solution
- 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.
State your observation for the following case :
Moist blue litmus is introduced into a gas jar of sulphur dioxide.
Give one equation to show the following property of sulphuric acid:
As a non-volatile acid
State two observations when
A few crystals of KNO3 are heated in a hard glass tube
Name the gas released when sodium carbonate is added to a solution of sulphur dioxide.
A, B and C are the chemical properties of sulphuric acid:
A. Oxidizing agent
B. Dehydrating agent
C. Non-volatile acid
Match the following equations 1 to 3 to the above chemical properties of sulphuric acid.
1. \[\ce{KNO3 + H2SO4 -> KHSO4 + HNO3}\]
2. \[\ce{C12H22O11 -> 12C + 11H2O}\]
3. \[\ce{S + 2H2SO4 -> 2H2O + 3SO2}\]
Differentiate between the following pair based on the criteria given in the bracket:
Cane sugar and hydrated copper sulphate [using concentrated H2SO4]
Hydrogen chloride gas is prepared in the laboratory by the action of concentrated sulphuric acid on sodium chloride.
State the method of collection of the gas formed above.
