(i) Draw a labelled diagram to show the preparation of hydrogen chloride gas in laboratory.
(ii) Test the gas evolved first with dry and then with wet litmus paper. In which of the two cases, does the litmus paper show change in colour ?
(iii) State the reason of exhibiting acidic character by dry gas /
solution.
(i) Llabelled diagram to show the preparation of hydrogen chloride gas in laboratory is shown below
(ii) In Wet litmus paper the litmus paper show change in colour
(iii) HCl solution , it is due to the formation of H + ion on in the water / H3O + (Hydronium ions)