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
Comment, sulphuric acid is referred to as King of chemicals.
Give reason for the following:
Red brown vapours are produced when concentrated sulphuric acid is added to hydrogen bromide.
Give reasons for the following:
A piece of wood becomes black when concentrated sulphuric acid is poured on it.
Give reasons for the following:
Brisk effervescence is seen when oil of vitriol is added to sodium carbonate.
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)
Give reason for the following:
When diluting concentrated sulphuric acid, the acid should be added to water and not water to the acid.
Give examples of the use of sulphuric acid as
An electrolyte in everyday use
Name the following:
A sulphate insoluble in water.
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:
\[\ce{Sulphite/hydrogen sulphite + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
