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प्रश्न
Choose the correct answer from the options given below:
Dilute hydrochloric acid solution cannot be concentrated by boiling beyond
पर्याय
11%
33%
44%
22%
उत्तर
22%
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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 |
 |
 |
Write a balanced chemical equation for the action of hydrochloric acid on sodium bicarbonate.
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.
Explain why thick white fumes are formed when a glass rod dipped in \[\ce{NH4OH}\] is brought near the mouth of a bottle full of \[\ce{HCl}\] gas.
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?
Name the gas produced when chlorine water is exposed to sunlight.
The drying agent used to dry \[\ce{HCl}\] gas is ______.
What are the important precautions?
Explain, why (or give reasons for)
HCI gas does not conduct electricity, but hydrochloric acid conducts electricity.
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
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.
Answer the following question related to the laboratory preparation of the hydrogen chloride gas:
Why is sodium chloride preferred to other metallic chlorides?
In the laboratory preparation, HCl gas is dried by passing through ______.
Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{NH4OH + HCl ->}\]
Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{NH4OH + HCl ->}\]
