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The diagram below shows the apparatus that can be used to electrolyze acidified water obtain hydrogen and oxygen gases. Study it and answer the questions that follow.

      

The diagram below shows the apparatus that can be used to electrolyze acidified water obtain hydrogen and oxygen gases. Study it and answer the questions that follow.
22bhydrogenoxygen42420171129.jpg
i) Identify the electrode at which oxidation takes place.
ii) Give a reason why it is necessary to acidify the water.
iii) Explain why hydrochloric acid is not used to acidify the water.

  

Answers


John
i) H

ii) Pure water does not contain ions hence acidifying is done to make the water ionize

iii) Hydrochloric acid is not used because the chloride ions will react at the electrode due to its high concentration.
johnmulu answered the question on May 15, 2017 at 08:40


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