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प्रश्न
How are the following conversion brought about? Give equation and condition:
Sucrose to sugar charcoal.
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उत्तर
Sucrose to sugar charcoal :
Carbohydrates contain carbon, hydrogen and oxygen. Thus sulphuric acid removes hydrogen and oxygen in form of water leaving behind carbon.
\[\ce{C12H22O11 ->[Conc. H2SO4] 12C + 11H2O}\]
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संबंधित प्रश्न
State one relevant observation for given reactions:
Action of concentrated Sulphuric acid on hydrated copper sulfate
Write balanced chemical equations to show The dehydrating property of conc. Sulphuric acid with sugar.
Give appropriate scientific reasons for The electrical conductivity of acetic acid is less in comparison to the electrical conductivity of dilute sulphuric acid at a given concentration.
Give balanced chemical equations for the action of sulphuric acid on the following:
Potassium hydrogen carbonate.
Give two balanced reactions of each type to show the following properties of sulphuric acid:
Hygroscopic nature
Name the following:
The precipitate obtained by treating aqueous barium chloride with dilute sulphuric acid.
Name the following:
The precipitate obtained by treating carbon with hot concentrated sulphuric acid.
Concentrated sulphuric acid is both an oxidizing agent and a non-volatile acid. Write one equation each to illustrate the properties of sulphuric acid mentioned above.
Write the observation for the following:
Decomposition of bicarbonates by dil. H2SO4.
\[\ce{2NaHCO3 + H2SO4 -> Na2SO4 + 2H2O + 2CO2}\]
Give balanced chemical equation to prepare the following salt:
Sodium sulphate using dilute sulphuric acid
