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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
Give two balanced reactions of the type to show the following property of sulphuric acid:
Acidic nature
Give two balanced reactions of the type to show the following property of sulphuric acid:
Non-volatile nature
Why is H2SO4 is not used as a drying agent for H2S?
Give reason for the following:
Ammonia gas cannot be dried by passing through concentrated sulphuric acid.
Give examples of the use of sulphuric acid as
Non-volatile acid
Choose the current answer from the options given below :
The catalyst used for the oxidation of SO2 to SO3 in contact process is
State your observation for the following case :
Dry red rose petals are placed in the jar of sulphur dioxide.
Write the observation for the following:
Decomposition of bicarbonates by dil. H2SO4.
\[\ce{2NaHCO3 + H2SO4 -> Na2SO4 + 2H2O + 2CO2}\]
An acid obtained from concentrated nitric acid on reaction with Sulphur ______.
Complete the table given below:
| Name of the process | Reactants | Acid product formed |
| (a) ______ | Nitrogen dioxide + water + oxygen | (b) ______ |
| (c) ______ | Oleum + water | Sulphuric acid |
