Advertisements
Advertisements
प्रश्न
Write a balanced chemical equation when hot and concentrated sulphuric acid reacts with the following:
Sugar
उत्तर
When sulphuric acid reacts with sugar, it forms carbon.
\[\ce{\underset{[Conc sugar]}{C12H22O11} ->[conc.H2SO4] \underset{[Sugar Charcoal]}{12C + 11H2O}}\]
APPEARS IN
संबंधित प्रश्न
Copy and complete the following table:
| Column 1 Substance reacted with acid |
Column 2 Dilute or concentrated acid |
Column 3 Gas |
| Hydrogen | ||
| Carbon dioxide | ||
| Only chlorine |
Distinguish between the following pairs of compounds using the reagent given in the bracket.
Ferrous sulphate solution and ferric sulphate solution. (Using sodium hydroxide solution)
Complete the following equations :
S + conc.HNO3 →
Complete the following equations :
C + cons. H2SO4
How are the following conversion brought about? Give equation and condition:
Aqueous lead nitrate to lead sulphate.
How will you distinguish between conc. HCl and conc. H2SO4?
Making use only of substances chosen from those given below:
Dilute sulphuric acid
Sodium carbonate
Zinc
Sodium sulphite
Lead
Salcium carbonate
Give the equation for the reaction by which you could obtain:
(i) Hydrogen
(ii) Sulphur dioxide
(iii) Carbon dioxide
(iv) Zinc Carbonate (two steps required).
Sulphuric acid is manufactured by the contact process.
Name the catalyst used.
Sulphuric acid is manufactured by the contact process.
Why \[\ce{H2SO4}\] is not obtained by directly reacting \[\ce{SO3}\] with water.
State the observation for the following, when:
Concentrated sulphuric acid is added to carbon.
