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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
The acid which is used in the preparation of a volatile acid
Distinguish between the given pairs of compounds using the test given within brackets:
Dilute sulphuric acid and dilute hydrochloric acid (using barium chloride solution)
Name the following :
The precipitate obtained by treating aqueous lead nitrate with dilute sulphuric acid.
How are the following conversion brought about? Give equation and condition:
Sucrose to sugar charcoal.
Describe the reaction that show
Dilute sulphuric acid behaves as dibasic acid.
Name the anion [negative ion] present in the following compound:
Compound D when warmed with dilute H2SO4 gives a gas which turns acidified potassium dichromate solution green.
Write the equation for the laboratory preparation of the following salts, using sulphuric acid.
Sodium Sulphate from sodium carbonate.
Write balanced chemical equation to show :
The oxidizing action of conc.sulphuric acid on carbon
Write a balanced equation for the following conversion:
Lead sulphate from lead nitrate and sulphuric acid.
Complete the table given below:
| Name of the process | Reactants | Acid product formed |
| (a) ______ | Nitrogen dioxide + water + oxygen | (b) ______ |
| (c) ______ | Oleum + water | Sulphuric acid |
