Advertisements
Advertisements
Question
How are the following conversion brought about? Give equation and condition:
Dilute sulphuric acid to hydrogen.
Advertisements
Solution
Dilute sulphuric acid to hydrogen:
Dilute sulphuric acid react with metals above hydrogen in the activity series to form sulphate salts and hydrogen.
Mg + H2SO4 → MgSO4 + H2
APPEARS IN
RELATED QUESTIONS
State one relevant observation for given reactions:
Addition of ethyl alcohol to acetic acid in the presence of concentrated Sulphuric acid
Give two balanced reactions of each type to show the following properties of sulphuric acid:
Hygroscopic nature
Give reason for the following:
When carbon is heated with concentrated sulphuric acid, carbon dioxide is formed.
Copy and complete the following table.
Column 3 has the names of gases to be prepared using the substance you enter in column 1, along with dilute or concentrated sulphuric acid, as indicated in column 2.
| Column 1 | Column 2 | Column 3 |
| Substance reacted with acid | Dilute or concentrated sulphuric acid | Gas |
| Hydrogen | ||
| Carbon dioxide | ||
| Only chlorine |
Write the equation for the laboratory preparation of :
(i) Sodium sulphate using dilute sulphuric acid.
(ii) Lead sulphate using dilute sulphuric acid.
Name the gas evolved in following case:
The gas produced by the action of concentrated sulphuric acid on sodium chloride.
What would you observe in the following case:
Sugar crystals are added to a hard glass test tube containing concentrated sulphuric acid.
What property of sulphuric acid is shown by the reaction of concentrated sulphuric acid when heated with :
(i) Potassium nitrate
(ii) carbon
Give one equation to show the following property of sulphuric acid:
Acidic nature
Write the observation for the following:
Decomposition of bicarbonates by dil. H2SO4.
\[\ce{2NaHCO3 + H2SO4 -> Na2SO4 + 2H2O + 2CO2}\]
The salt is formed when concentrated sulphuric acid reacts with KNO3 above 200°C.
