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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 reason for the following:
When carbon is heated with concentrated sulphuric acid, carbon dioxide is formed.
Give reason for the following:
Ammonia gas cannot be dried by passing through concentrated sulphuric acid.
Name the catalyst used in the process.
Write balanced equation for the reaction between iron and dilute sulphuric acid.
Write balanced equation for the reaction of dilute sulphuric acid with the following:
Lead nitrate solution
Write balanced equation for the reaction of dilute sulphuric acid with the following:
Zinc hydroxide
A, B, C and D summarize the properties of sulphuric acid depending on whether it is dilute or concentrated. Choose the property (A, B, C or D), depending on which is relevant to each of the preparations (i) to (ii).
A. Dilute acid (typical acid properties)
B. Non-volatile acid
C. Oxidizing agent
D. Dehydrating agent
(i) Preparation of hydrogen chloride.
(ii) Preparation of ethane from ethanol
(iii) Preparation of copper sulphate from copper oxide.
Give one equation to show the following property of sulphuric acid:
Dehydrating property
Dilute hydrochloric acid and dilute sulphuric acid are both colourless solutions. How will the addition of barium chloride solution to each help to distinguish between the two?
