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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
Distinguish between the given pair of compounds using the test given within brackets:
Sodium nitrate and sodium sulphite (using dilute sulphuric acid).
Give reason for the following:
Sulphuric acid can form two kinds of salts with sodium chloride.
Give reason for the following:
Concentrated sulphuric acid should not be added to oxalic acid or formic acid in the open laboratory.
Sulphuric acid can be used to prepare a number of gases in the laboratory. Write balanced equation for the reaction from which the folllowing gas are obtained, using dilute sulphuric acid as one of the reactant : Carbon dioxide
What do you observe when barium chloride solution is added to dilute sulphuric acid ?
What do you see when concentrated sulphuric acid is added to copper sulphate-5-water ( You are not required to say what is happing, nor is it necessary to name the products.)
Write the equation of the following reaction :
Concentrated sulphuric acid is poured over sugar
Give one equation to show the following property of sulphuric acid:
Dehydrating property
State your observation of the following case:
When dilute hydrochloric acid is added to sodium carbonate crystals.
Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric acid (using lead nitrate solution).
