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प्रश्न
Hydrogen chloride gas, being highly soluble in water, is dried by ______.
पर्याय
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 |
![]() |
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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.
For the preparation of hydrochloric acid in the laboratory:
Why is the direct absorption of hydrogen chloride gas in water not feasible?
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?
Explain why a solution of hydrogen chloride in water turns blue litmus red and conducts electricity, while a solution of the same gas in toluene:
- has no effect on litmus, and
- does not conduct electricity.
Write the main difference in hydrogen chloride gas and hydrochloric acid.
Draw a labelled diagram and explain the laboratory preparation of hydrogen chioride gas.
How will you prove that the gas prepared is HCI?
What are the important precautions?
Mention the reaction condition and give balanced equation to obtain: Cl2 gas from HCI acid.
Mention the reaction condition and give balanced equation to obtain : HCl gas from common salt
Choose the correct answer from the options given below:
Dilute hydrochloric acid solution cannot be concentrated by boiling beyond
Choose the correct answer from the options given below:
Bleaching powder reacts with few drops of concentrated HCl to give
Write balanced equation for the reaction between dilute hydrochloric acid and sodium sulphite.
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.
In the laboratory preparation, HCl gas is dried by passing through ______.
Identify the gas evolved in the following reaction:
\[\ce{MnO2}\] reacts with concentrated \[\ce{HCl}\].
Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{NH4OH + HCl ->}\]