Advertisements
Advertisements
प्रश्न
Write the balanced chemical equation for the following conversion:
Copper sulphate from copper and concentrated sulphuric acid.
उत्तर
\[\ce{Cu + 2H2SO4 -> CuSO4 + 2H2O + SO2}\]
APPEARS IN
संबंधित प्रश्न
Write balanced chemical equations for the action of dilute sulphuric acid on sodium sulphite.
State the conditions required for the given reaction to take place:
Any two conditions for the conversion of sulphur dioxide to sulphur trioxide
Give two balanced reactions of each type to show the following properties of sulphuric acid:
Hygroscopic nature
Name the following:
The precipitate obtained by treating aqueous barium chloride with dilute sulphuric acid.
Choose the current answer from the options given below :
When conc. H2SO4 comes in contact with sugar, it becomes black due to
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.
State one appropriate observation of the following:
Dehydration of Concentrated Sulphuric acid with sugar crystals
Give a balanced chemical equation for the action of sulphuric acid of the following:
Sulphur
Write the observation for the following:
Decomposition of bicarbonates by dil. H2SO4
\[\ce{2NaHCO3 + H2SO4 -> Na2SO4 + 2H2O + 2CO2}\]
Differentiate between the following pair based on the criteria given in the bracket:
Cane sugar and hydrated copper sulphate [using concentrated H2SO4]
