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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
Name the Following:
The property used to prepare HCl and HNO3 from H2SO4.
Give reason for the following:
Concentrated sulphuric acid should not be added to oxalic acid or formic acid in the open laboratory.
Why is sulphuric acid known as king of chemicals and oil vitriol ?
Give examples of the use of sulphuric acid as
Non-volatile 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.
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 : Hydrogen
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 for the laboratory preparation of the following salts, using sulphuric acid.
Lead sulphate from lead nitrate.
Name the gas evolved in following case:
The gas produced by the action of concentrated sulphuric acid on sodium chloride.
Give one equation to show the following property of sulphuric acid:
Dehydrating property
