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प्रश्न
Give reason for the following:
When carbon is heated with concentrated sulphuric acid, carbon dioxide is formed.
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उत्तर
Hot concentrated sulphuric acid act as a powerful oxidizing agent. Due to heat it decomposes to form nascent oxygen which helps in oxidation of carbon to carbon dioxide.
\[\ce{H2SO4 -> H2O + SO2 + [O]}\]
\[\ce{C + 2[O] -> CO2}\]
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संबंधित प्रश्न
How will you distinguish between dilute hydrochloric acid and dilute sulphuric acid using lead nitrate solution?
A, B, C, and D summarize the properties of sulphuric acid depending on whether it is dilute or concentrated.
A = Typical acid property
B = Non volatile acid
C = Oxidizing agent
D = Dehydrating agent
Choose the property (A, B, C or D) depending on which is relevant to each of the following
1) Preparation of Hydrogen chloride gas
2) Preparation of Copper sulphate from copper oxide.
3) An action of conc. Sulphuric acid on Sulphur.
Identify the acid in the following case:
The acid which produces sugar charcoal from sugar.
Give one equation to show the following properties of sulphuric acid:
Dehydrating property
Write balanced equation for potassium hydrogen carbonate and dilute sulphuric acid.
What property of sulphuric acid is shown by the reaction of concentrated sulphuric acid when heated with :
(i) Potassium nitrate
(ii) carbon
State one appropriate observation of the following:
Dehydration of concentrated sulphuric acid with sugar crystals.
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.
Distinguish between the following pair of compounds using the test given with brackets:
Dilute sulphuric acid and dilute hydrochloric acid (using barium chloride solution)
What property of Sulphuric acid is exhibited in the following case?
When concentrated Sulphuric acid reacts with Copper to produce Sulphur dioxide gas.
