Advertisements
Advertisements
Question
The gas evolved when dilute sulphuric acid reacts with iron sulphide.
Options
Sulphur dioxide
Carbon dioxide
Hydrogen sulphide
Nitrogen dioxide
Sulphur trioxide
Vapour of sulphuric acid
Advertisements
Solution
Hydrogen sulphide
APPEARS IN
RELATED QUESTIONS
The acid which is used in the preparation of a volatile acid
State the conditions required for the given reaction to take place:
Any two conditions for the conversion of sulphur dioxide to sulphur trioxide
Give one equation to show the following properties of sulphuric acid:
Dehydrating property
Name the following:
The precipitate obtained by treating carbon with hot concentrated sulphuric acid.
What would you observe in the following case?
Dilute sulphuric acid is added to ferrous sulphate solution.
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 catalyst which helps in the conversion of sulphur dioxide to sulphur trioxide in step C.
- In the contact process for the manufacture of sulphuric acid, sulphur trioxide is not converted to sulphuric acid by reacting it with water. Instead a two-step procedure is used. Write the equations for the two steps involved in D.
- What type of substance will liberate sulphur dioxide from sodium sulphite in step E?
- Write the equation for the reaction by which sulphur dioxide is converted to sodium sulphite in step F.
In the given equation identify the role played by concentrated sulphuric acid S + 2H2SO4→ 3SO2 + 2H2O
State your observation of the following case:
When dilute hydrochloric acid is added to sodium carbonate crystals.
Hydrogen chloride gas is prepared in the laboratory by the action of concentrated sulphuric acid on sodium chloride.
Give a balanced chemical equation for the above reaction.
