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प्रश्न
For the preparation of hydrochloric acid in the laboratory:
Why is the direct absorption of hydrogen chloride gas in water not feasible?
उत्तर
The reaction is highly exothermic.
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संबंधित प्रश्न
Write a balanced chemical equation for the action of hydrochloric acid on sodium bicarbonate.
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 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.
Explain why hydrogen chloride gas is not collected over water.
Write the main difference in hydrogen chloride gas and hydrochloric acid.
The drying agent used to dry \[\ce{HCl}\] gas is ______.
Draw a labelled diagram and explain the laboratory preparation of hydrogen chioride gas.
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.
Describe an experiment to prove the following:
HCI gas contains the element chlorine.
What is aqua-regia?
Choose the correct answer from the options given below:
Bleaching powder reacts with few drops of concentrated HCl to give
Complete and balance the equations:
KMnO4 + HCI → _______+ _______ + _______ + ______ + 8H2O
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.
The following question is pertaining to the laboratory pertaining hydrogen chloride gas.
Name the drying agent used and justify your choice.
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.
Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{NH4OH + HCl ->}\]
