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प्रश्न
Rewrite the following statement by adding the correct word, as shown in the example:
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Example: Given Statement: Ammonia changes moist red litmus to blue. Correct Statement: Aqueous ammonia changes moist red litmus to blue. |
Sulphuric acid acts as a dehydrating agent.
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उत्तर
Concentrated sulphuric acid acts as a dehydrating agent.
Explanation:
Conc. \[\ce{H2SO4}\] has a strong affinity for water and so reduces it from the molecule, whereas dilute acid dissolves in water.
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संबंधित प्रश्न
Write balanced chemical equations to show : The oxidizing action of conc. Sulphuric acid on carbon
Write balanced chemical equations to show The dehydrating property of conc. Sulphuric acid with sugar.
Name the products formed when hot and concentrated sulphuric acid reacts with NaOH.
Give reason for the following:
When solution of sulphur dioxide is exposed to air, it gets converted to sulphuric acid.
Give reason for the following:
When barium chloride is added to dilute sulphuric acid, a white precipitate is formed.
How are the following conversion brought about? Give equation and condition:
Oxalic acid to carbon monoxide.
Give main difference between drying agent and dehydrating agent.
Choose the current answer from the options given below :
When conc. H2SO4 comes in contact with sugar, it becomes black due to
State your observation for the following case :
Dry red rose petals are placed in the jar of sulphur dioxide.
State one appropriate observation of the following:
Concentrated sulphuric acid is added dropwise to a crystal of hydrated copper sulphate.
