Question
How would you prepare pure dihydrogen in the laboratory?
Solution
(i) A sample of pure dihydrogen can be prepared by the action of pure dilute sulphuric acid on magnesium.
(iii) By the electrolysis of barium hydroxide solution in a U-tube using platinum electrodes or nickel electrodes.
(iii) By the electrolysis of barium hydroxide solution in a U-tube using platinum electrodes or nickel electrodes.
