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प्रश्न
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the sugar.
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उत्तर
When sulphuric acid reacts with sugar, it forms carbon.
\[\ce{\underset{[Conc sugar]}{C12H22O11} ->[conc.H2SO4] \underset{[Sugar Charcoal]}{12C + 11H2O}}\]
संबंधित प्रश्न
Comment, sulphuric acid is referred to as King of chemicals.
Give reasons for the following:
Brisk effervescence is seen when oil of vitriol is added to sodium carbonate.
Fill in the blank with appropriate word/words :
For the reaction SO2 + O2⇌ SO3 + Heat, the favourable conditions are _________ and __________.
Fill in the blank with appropriate word/words :
Oil of Vitriol is ___________
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 a gas that can be oxidized to sulphur.
What property of conc. H2SO4 is made use of in the following case? Give an equation for the reaction in this case:
It’s reaction with ethanol.
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Active metal + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Sulphite/hydrogen sulphite + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
State the observation for the following, when:
Concentrated sulphuric acid is added to carbon.
