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प्रश्न
Explain why when the stopper of a bottle full of hydrogen chloride gas is opened, there are fumes in the air.
उत्तर
When the stopper is opened, the \[\ce{HCl}\] gas reacts with the air's water vapors to make hydrochloric acid, which produces white fumes.
संबंधित प्रश्न
Identify the gas evolved and give the chemical test in the following cases
Dilute hydrochloric acid reacts with sodium sulphite.
Identify the gas evolved and give the chemical test in the following cases
Dilute hydrochloric acid reacts with iron (II) sulphide.
The following are pertaining to the laboratory preparation of hydrogen chloride gas.
Write the equation for its preparation mentioning the condition required.
For the preparation of hydrochloric acid in the laboratory:
Why is the direct absorption of hydrogen chloride gas in water not feasible?
Name the drying agents used in drying hydrogen chloride gas.
Name the drying agents phosphorus pentoxide and calcium oxide are good drying agent but they cannot be used to dry hydrogen chloride gas. Why?
Write the main difference in hydrogen chloride gas and hydrochloric acid.
Draw a labelled diagram and explain the laboratory preparation of hydrogen chioride gas.
How will you prove that the gas prepared is HCI?
Mention the reaction condition and give balanced equation to obtain: Cl2 gas from HCI acid.
Write the equation for the reaction which takes place in question(a).
What property of hydrogen chloride is demonstrated when it is collected by downward delivery (upward displacement) ?
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.
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 sulphate solution and sodium chloride solution.
Give one test to distinguish between the following pair of chemicals.
Sodium nitrate solution and sodium chloride solution.
Answer the following question related to the laboratory preparation of the hydrogen chloride gas:
Why is sodium chloride preferred to other metallic chlorides?
Answer the following question related to the laboratory preparation of the hydrogen chloride gas:
State the temperature required in the preparation.
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.
\[\ce{NH4OH + HCl ->}\]
Identify the gas evolved in the following reaction:
\[\ce{MnO2}\] reacts with concentrated \[\ce{HCl}\].