Chemistry
Give the equation for preparation of HCl gas by synthesis. State two conditions involved in the synthesis.
Related Questions
Fill in the blanks:
Hydrochloric acid can be converted into chlorine by heating with _________ [calcium oxide, lead (II) oxide, lead (IV) oxide] which acts as a/an _________ [oxidising, reducing] agent.
Give a reason why:
(a) gastric juices of mammals are acidic
(b) HCl is considered a polar covalent compound.
Give a balanced equation for preparation of HCl gas in the laboratory from sodium chloride.
In the laboratory preparation of HCl from sodium chloride, state why the following are preferred –
(i) Conc. H2SO4 as a reactant
(ii) Temp. below 200°C
(iii) Conc. H2SO4 as a drying agent.