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प्रश्न
Choose the correct answer from the options given below:
Dilute hydrochloric acid solution cannot be concentrated by boiling beyond
विकल्प
11%
33%
44%
22%
उत्तर
22%
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 |
 |
 |
State your observation in given case When dilute hydrochloric acid is added to sodium carbonate crystals
Name the acid used for the preparation of hydrogen chloride gas in the laboratory. Why is this particular acid preferred to other acids?
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 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.
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.
Describe an experiment to prove the following:
HCI gas contains the element chlorine.
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
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).
Write the equation for :
The preparation of hydrogen chloride from sodium chloride and sulphuric acid. State whether the sulphuric acid should be concentrated or dilute.
Write the equation for:
The reaction between hydrogen chloride and ammonia.
The following question is pertaining to the laboratory pertaining hydrogen chloride gas.
Name the drying agent used and justify your choice.
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.
\[\ce{NH4OH + HCl ->}\]
Identify the gas evolved in the following reaction:
\[\ce{MnO2}\] reacts with concentrated \[\ce{HCl}\].
