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प्रश्न
Give two balanced reactions of the type to show the following property of sulphuric acid:
Non-volatile nature
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उत्तर
Concentrated sulphuric acid has a high boiling point (356°C), so it is considered to be non-volatile. Therefore, it is used for preparing volatile acids like hydrochloric acid and nitric acid from their salts by a double decomposition reaction.
\[\ce{NaCl + H2SO4 -> NaHSO4 + HCl}\]
\[\ce{KCl + H2SO4 -> KHSO4 + HCl}\]
\[\ce{NaNO3 + H2SO4 -> NaHSO4 + HNO3}\]
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संबंधित प्रश्न
Give one equation to show the following properties of sulphuric acid:
Acidic nature
Name the products formed when hot and concentrated sulphuric acid reacts with Sugar.
Give reason for the following:
When barium chloride is added to dilute sulphuric acid, a white precipitate is formed.
Describe the reaction that show
Concentrated sulphuric acid is a dehydrating agent.
Describe the reaction that show
Dilute sulphuric acid behaves as dibasic acid.
Name the catalyst used in the process.
State one appropriate observation of the following:
Dehydration of concentrated sulphuric acid with sugar crystals.
Give a balanced chemical equation for the action of sulphuric acid on the following:
Potassium hydrogen carbonate
The gas evolved when dilute sulphuric acid reacts with iron sulphide.
The salt is formed when concentrated sulphuric acid reacts with KNO3 above 200°C.
