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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
Write a balanced chemical equation for the following:
Action of concentrated sulphuric acid on Sulphur.
Which property of sulphuric acid is shown by the reaction of the concentrated sulphuric acid with ethanol?
Name the following :
The precipitate obtained by treating aqueous lead nitrate with dilute sulphuric acid.
What would you observe in the following case?
Hot concentrated sulphuric acid is added to sodium chloride crystals.
What would you observe in the following case?
Dilute sulphuric acid is added to ferrous sulphate solution.
Give reason for the following:
When concentrated sulphuric acid is exposed to air, its volume increases and it becomes slightly dilute.
Give reason for the following:
When carbon is heated with concentrated sulphuric acid, carbon dioxide is formed.
Write balanced equation for the reaction of dilute sulphuric acid with the following:
Zinc hydroxide
Write the equation for the laboratory preparation of the following salts, using sulphuric acid.
Sodium Sulphate from sodium carbonate.
Identify the gas evolved and give the chemical test in the following case:
Dilute hydrochloric acid reacts with sodium sulphite.
