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प्रश्न
Hydrogen chloride dissolves in water to form an acidic solution.
- Name the experiment which demonstrates that hydrogen chloride is very soluble in water.
- Give three distinct tests (apart from using an indicator) you would carry out with this solution to illustrate the typical properties of an acid.
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उत्तर
- The fountain experiment demonstrates that hydrogen chloride is very soluble in water.
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- When silver nitrate solution is added to hydrochloric acid, it gives a white precipitate of silver chloride.
- When lead nitrate solution is added, it gives a white precipitate of lead chloride.
- When concentrated hydrochloric acid is added to oxidising agents like manganese dioxide, lead dioxide, etc., it liberates chlorine gas, which is a greenish-yellow, pungent-smelling gas.
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संबंधित प्रश्न
Name the following:
Gas obtained by treating metals with hydrochloric acid.
Name the drying agent used to dry HCl gas.
How is the gas collected and why?
Describe an experiment to prove the following:
HCI gas is heavier than air.
How will you show that hychloric acid contains both hydrogen and chlorine (other than by electrolysis) ?
Hydrogen chloride gas is very soluble in water. It is dissolved in water to prepare hydrochloric acid by using an anti-suction device, as shown in the diagram. Very briefly explain, how this device prevents the suction of water into the flask, in which hydrogen chloride gas is produced.
Give reason for the following:
Dilute hydrochloric acid cannot be concentrated by distilling (boiling) the dilute acid.
Dilute hydrochloric acid is added in turn to a mixture of iron and sulphur and to the compound formed between iron and sulphur. Name the gas formed in each case.
The following question is pertaining to the laboratory preparation of hydrogen chloride gas.
Write the equation for its preparation, mentioning the condition required.
State the following:
The drying agent used in the laboratory preparation of HCl gas.
