Advertisements
Advertisements
प्रश्न
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the sugar.
Advertisements
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
Name the following:
Products obtained by dissolving sulphur dioxide and chlorine in water.
Give reason for the following:
In the contact process, sulphur dioxide is dissolved in 98% sulphuric acid and not in water.
Name two other acids other than sulphuric acid, which can be prepared by using sulphuric acid.
In using sulphuric acid to prepare other acids, as mentioned above, which property of sulphuric acid is used ?
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).
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the sulphur.
Some properties of sulphuric acid are listed below. Choose the property A, B, C or D which is responsible for the reactions (i) to (v). Some properties may be repeated:
- Typical acid
- Dehydrating agent
- Non-volatile acid
- Oxidizing agent
- \[\ce{C12H22O11 + nH2SO4 -> 12C + 11H2O + nH2SO4}\]
- \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\]
- \[\ce{NaCl + H2SO4 -> NaHSO4 + HCl}\]
- \[\ce{CuO + H2SO4 -> CuSO4 + H2O}\]
- \[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2}\]
Which property of sulphuric acid accounts for its use as a dehydrating agent?
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Base + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
State the observation for the following, when:
Concentrated sulphuric acid is added to carbon.
