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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:
Addition of ethyl alcohol to acetic acid in the presence of concentrated Sulphuric acid
Why is H2SO4 is not used as a drying agent for H2S?
How are the following conversion brought about? Give equation and condition:
Oxalic acid to carbon monoxide.
Describe the reaction that show
Concentrated sulphuric acid is a non-volatile acid.
Give reason for the following:
Concentrated sulphuric acid is kept in airtight bottles.
Write balanced equation for the reaction of dilute sulphuric acid with the following:
Copper carbonate
Give one equation to show the following property of sulphuric acid:
Dehydrating property
Write the observation for the following:
Decomposition of bicarbonates by dil. H2SO4.
\[\ce{2NaHCO3 + H2SO4 -> Na2SO4 + 2H2O + 2CO2}\]
State your observation of the following case:
When dilute hydrochloric acid is added to sodium carbonate crystals.
Name the anion present in the following compound:
Compound D, when warmed with dilute sulphuric acid, gives a gas that turns acidified dichromate solution green.
