The highly pure hydrogen is obtained when?(a) Water gas shift reaction occurs(b) Lane’s process(c) Electrolysed with barium hydroxide solution(d) Hydrogen sulfate is reacted with zincThis question was addressed to me during an interview.The doubt is from Preparation of Dihydrogen & H2 in chapter Hydrogen of Chemistry – Class 11

The highly pure hydrogen is obtained when?(a) Water gas shift reaction

1.	The highly pure hydrogen is obtained when?(a) Water gas shift reaction occurs(b) Lane’s process(c) Electrolysed with barium hydroxide solution(d) Hydrogen sulfate is reacted with zincThis question was addressed to me during an interview.The doubt is from Preparation of Dihydrogen & H2 in chapter Hydrogen of Chemistry – Class 11
Answer» The correct OPTION is (c) Electrolysed with barium hydroxide solution For explanation I WOULD say: Highly pure dihydrogen (H2) that is greater than 99.95% is obtained by electrolysis in warm aqueous barium hydroxide (BaOH(aq)) solution between Nickel ELECTRODES (Ni). This is one of the processes of COMMERCIAL PRODUCTION of hydrogen.

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