Advertisements
Advertisements
Question
Give reason for the following:
When carbon is heated with concentrated sulphuric acid, carbon dioxide is formed.
Advertisements
Solution
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.
\[\ce{H2SO4 -> H2O + SO2 + [O]}\]
\[\ce{C + 2[O] -> CO2}\]
APPEARS IN
RELATED QUESTIONS
The acid which is used in the preparation of a volatile acid
Identify the acid in the following case:
The acid on mixing with lead nitrate solution produces a white precipitate, which is insoluble even on heating.
Give reason for the following:
When concentrated sulphuric acid is exposed to air, its volume increases and it becomes slightly dilute.
Why is sulphuric acid known as king of chemicals and oil vitriol ?
Write the equation for the laboratory preparation of the following salts, using sulphuric acid.
Copper sulphate from copper.
Write balanced equation for potassium hydrogen carbonate and dilute sulphuric acid.
Give one equation to show the following property of sulphuric acid:
Acidic nature
State your observation of the following case:
When dilute hydrochloric acid is added to sodium carbonate crystals.
Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric acid (using lead nitrate solution).
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.
