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प्रश्न
Describe an experiment to prove the following:
HCI gas contains the element chlorine.
उत्तर
When HCI gas is heated above 500°C, it dissociates into hydrogen and chlorine.
\[\ce{2HCl ⇌[>500°C] H2 + Cl2}\]
APPEARS IN
संबंधित प्रश्न
Write a balanced chemical equation for the action of hydrochloric acid on sodium bicarbonate.
The following are pertaining to the laboratory preparation of hydrogen chloride gas.
Name the drying agent used and justify your choice.
State your observation in given case When dilute hydrochloric acid is added to sodium carbonate crystals
Write the balanced chemical equation for the laboratory preparation of hydrogen chloride gas.
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?
Name the drying agents used in drying hydrogen chloride gas.
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.
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)
Hydrogen chloride is not collected over water.
Explain, why (or give reasons for)
HCI gas does not conduct electricity, but hydrochloric acid conducts electricity.
What is aqua-regia?
Mention the reaction condition and give balanced equation to obtain: Cl2 gas from HCI acid.
What property of hydrogen chloride is demonstrated when it is collected by downward delivery (upward displacement) ?
State the observation for action of dilute hydrochloiric acid or iron (II) sulphate.
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.
