Advertisements
Advertisements
प्रश्न
How will you prove that the gas prepared is HCI?
उत्तर
A glass rod dipped in ammonia solution is brought near the mouth of the gas jar. Dense white fumes of ammonium chloride will be produced. It proves the presence of HCI gas in the gas jar.
APPEARS IN
संबंधित प्रश्न
Identify the gas evolved and give the chemical test in the following cases
Dilute hydrochloric acid reacts with sodium sulphite.
State your observation in given case When dilute hydrochloric acid is added to sodium carbonate crystals
Name the drying agents used in drying hydrogen chloride gas.
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.
Explain why hydrogen chloride gas is not collected over water.
Write the main difference in hydrogen chloride gas and hydrochloric acid.
The given set up in the figure is for the preparation of an acid.
- Name the acid prepared by this method.
- Name the reactants used.
- Why an empty flask is used?
- What is the drying agent used? Why is this drying agent chosen?
- What is the role of the inverted funnel in the arrangement?
The drying agent used to dry \[\ce{HCl}\] gas is ______.
Draw a labelled diagram and explain the laboratory preparation of hydrogen chioride gas.
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.
Mention the reaction condition and give balanced equation to obtain: Cl2 gas from HCI acid.
Explain, why the following statement is not correct:
Lead chloride can be prepared by adding dilute HCI to lead sulphate solution.
Write balanced equation for the reaction between dilute hydrochloric acid and sodium sulphite.
Write the equation for:
The reaction between hydrogen chloride and ammonia.
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.
Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{NH4OH + HCl ->}\]
