The set-up below was used to prepare dry sample of hydrogen sulphide gas

      

The set-up below was used to prepare dry sample of hydrogen sulphide gas
Q17102420191106.png
(a) (i) Complete the diagram to show how the gas was collected
(ii) Identify the following:-
I. Solid H
II. Solid I
(iii) Write an equation for the reaction that occurred in the flask between solid H and dilute Hydrochloric acid

(b) When hydrogen sulphide gas was passed through a solution of Iron (III) chloride, the following
observations were made:-
(i) the colour of the solution changed from reddish-brown to green and
(ii) a yellow solid was deposited
Explain the observation

  

Answers


Maurice
Q17102420191112.png

(ii) I ion II sulphide or copper II Sulphur
II anhydrous Calcium Chloride (zero of Calcium chloride)
III Fe s(l) + Hcl(aq)----->Fecl2(aq) + H2s

b)(i) Q17102420191117.png
(ii) H2S is oxidized to sulphur on sulphur is formed.
maurice.mutuku answered the question on October 24, 2019 at 08:19


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