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प्रश्न
Write balanced chemical equations to show how SO3 is converted to Sulphuric acid in the contact process.
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उत्तर
SO3 + H2SO4 → H2S2O7 oleum or pyrosulphuric acid
H2S2O7 + H2O → 2H2SO4
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संबंधित प्रश्न
State your observations when Concentrated Sulphuric acid is added to Sugar Crystals
Distinguish between the given pair of compounds using the test given within brackets:
Sodium nitrate and sodium sulphite (using dilute sulphuric 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)
Give reason for the following:
Concentrated sulphuric acid should not be added to oxalic acid or formic acid in the open laboratory.
Describe the reaction that show
Concentrated sulphuric acid behaves as oxidizing agent.
Give main difference between drying agent and dehydrating agent.
Name the catalyst used in the process.
Write the equation for the laboratory preparation of the following salts, using sulphuric acid.
Sodium Sulphate from sodium carbonate.
State your observation for the following case:
Paper soaked in potassium permanganate solution is introduced into a gas jar of sulphur dioxide.
Identify the gas evolved and give the chemical test in the following case:
Dilute hydrochloric acid reacts with sodium sulphite.
