Advertisements
Advertisements
प्रश्न
In the laboratory preparation, HCl gas is dried by passing through ______.
विकल्प
Dilute nitric acid
Concentrated sulphuric acid
Dilute sulphuric acid
Acidified water
उत्तर
In the laboratory preparation, HCl gas is dried by passing through concentrated sulphuric acid.
Explanation:
- HCI gas is dried by passing it through concentrated H2SO4.
- Due to its hydroscopic nature, concentrated sulphuric acid takes moisture from the air, dilutes, and works as a drying agent.
APPEARS IN
संबंधित प्रश्न
Certain blank spaces are left in the following table and these are labelled as A, B, C, D
and E. Identify each of them
Lab preparation of | Reactants used | Products formed | Drying Agent | Method of collection |
|
1 | HCl gas | NaCl + H2SO4 | ![]() |
conc. H2SO4 | ![]() |
2 | NH3 gas |
|
Mg(OH)2 NH3 |
![]() |
![]() |
Write a balanced chemical equation for the action of hydrochloric acid on sodium bicarbonate.
The following are pertaining to the laboratory preparation of hydrogen chloride gas.
State a safety precaution you would take during the preparation of hydrochloric acid.
Give the balanced equation for the laboratory preparation of hydrogen chloride gas reaction.
Explain why dry hydrogen chloride gas does not affect a dry strip of blue litmus paper but it turns red in the presence of a drop of water.
The given set up in the figure is for the preparation of an acid.
- Name the acid prepared by this method.
- Name the reactants used.
- Why an empty flask is used?
- What is the drying agent used? Why is this drying agent chosen?
- What is the role of the inverted funnel in the arrangement?
Draw a labelled diagram and explain the laboratory preparation of hydrogen chioride gas.
What is aqua-regia?
Mention the reaction condition and give balanced equation to obtain: Cl2 gas from HCI gas.
Explain, why the following statement is not correct:
Lead chloride can be prepared by adding dilute HCI to lead sulphate solution.
Write the equation for the reaction which takes place in question(a).
What property of hydrogen chloride is demonstrated when it is collected by downward delivery (upward displacement) ?
The following question is pertaining to the laboratory pertaining hydrogen chloride gas.
Name the drying agent used and justify your choice.
One chemical test that would enable you to distinguish between the following pair of chemicals. Describe what happens with each chemical or state 'no visible reaction'.
Sodium chloride solution and sodium nitrate solution.
Give one test to distinguish between the following pair of chemicals.
Sodium nitrate solution and sodium chloride solution.
Give one test to distinguish between the following pair of chemicals.
Iron (III) Chloride solution and copper chloride solution.
Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{NH4OH + HCl ->}\]