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प्रश्न
Hydrogen chloride gas, being highly soluble in water, is dried by ______.
विकल्प
Anhydrous calcium chloride
Phosphorous pentaoxide
Quick time
Concentrated sulphuric acid
उत्तर
Hydrogen chloride gas, being highly soluble in water, is dried by concentrated sulphuric acid.
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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 |
 |
 |
Draw a labelled diagram for the laboratory preparation of hydrogen chloride gas and answer the following.
- Name the acid used. Why is this particular acid preferred to other acids?
- Give the balanced equation for the reaction.
- Name the drying agent used in drying hydrogen chloride gas.
- Phosphorous pentoxide and calcium oxide are good drying agents, but they cannot be used to dry hydrogen chloride gas. Why?
- Why is the direct absorption of \[\ce{HCl}\] gas in water not feasible?
- What arrangement is done to dissolve \[\ce{HCl}\] gas in the water?
Give the balanced equation for the laboratory preparation of hydrogen chloride gas reaction.
Name the drying agents phosphorus pentoxide and calcium oxide are good drying agent but they cannot be used to dry hydrogen chloride gas. Why?
Explain why when the stopper of a bottle full of hydrogen chloride gas is opened, there are fumes in the air.
Write the main difference in hydrogen chloride gas and hydrochloric acid.
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?
What are the important precautions?
Explain, why (or give reasons for)
In the preparation chloride from sodium chloride, the gas can be obtained below 200°C or above. But the lower temperature is preferred.
Explain, why (or give reasons for)
Hydrogen chloride is not collected over water.
Mention the reaction condition and give balanced equation to obtain: Cl2 gas from HCI gas.
Mention the reaction condition and give balanced equation to obtain : HCl gas from common salt
Choose the correct answer from the options given below:
Bleaching powder reacts with few drops of concentrated HCl to give
Write the equation for the reaction which takes place in question(a).
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.
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 sulphate solution and sodium chloride solution.
Answer the following question related to the laboratory preparation of the hydrogen chloride gas:
Why is sodium chloride preferred to other metallic chlorides?
Answer the following question related to the laboratory preparation of the hydrogen chloride gas:
Write the chemical equation.
Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{NH4OH + HCl ->}\]
