Chemistry
(i) Name the acid used for the preparation of hydrogen chloride gas in the laboratory. Why is this particular acid preferred to other acids?
(ii) Write the balanced chemical equation for the laboratory preparation of hydrogen chloride gas.
Related Questions
Copy and complete the following table which refers to the conversion of ions to neutral particles.
Conversion Ionic equation Oxidation/Reduction Chloride ion to chlorine molecule Lead [II] ion to lead (i) Write the balanced chemical equation to prepare ammonia gas in the laboratory by using an alkali.
(ii) State why concentrated sulphuric acid is not used for drying ammonia gas.
(iii) Why is ammonia gas not collected over water?
For the preparation of hydrochloric acid in the laboratory —
(i) State why direct absorption of hydrogen chloride gas in water is not feasible.
(ii) State what arrangement is used to dissolve hydrogen chloride gas in water.
For the electro-refining of copper —
(i) State what the cathode is made up of.
(ii) Write the reaction that takes place at the anode.