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प्रश्न
Give reason for the following:
When solution of sulphur dioxide is exposed to air, it gets converted to sulphuric acid.
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उत्तर
Sulphur dioxide gets oxidized when exposed to air to form sulphur trioxide which reacts with water vapours to form sulphuric acid.
\[\ce{SO2 + H2O + O2 -> 2H2SO4}\]
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संबंधित प्रश्न
Give one equation to show the following properties of sulphuric acid:
As a non-volatile acid
Give two balanced reactions of each type to show the following properties of sulphuric acid:
Hygroscopic nature
Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric acid.
Why is concentrated sulphuric acid kept in air tight bottles?
What would you observe in the following case?
Concentrated sulphuric acid is added to equal volumes of cold water.
Write balanced equation for the reaction of dilute sulphuric acid with the following:
Copper carbonate
- 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.
Write balanced chemical equation to show :
The behavior of H2SO4 as an acid when it reacts with magnesium.
Give balanced chemical equation to prepare the following salt:
Lead sulphate from lead carbonate
Give two balanced reactions of the type to show the following property of sulphuric acid:
Dehydrating nature
