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Question

The highly pure hydrogen is obtained when?

A
Water gas shift reaction
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B
Lane's process
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C
Electrolysed with barium hydroxide solution
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D
Hydrogen sulfate is reacted with zinc
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Solution

The correct option is C Electrolysed with barium hydroxide solution
Highly pure dihydrogen (H2) that is greater than 99.95% is obtained by electrolysis in warm aqueous barium hydroxide (Ba(OH)2(aq)) solution between Nickel electrodes (Ni). This is one of the processes of commerical production of hydrogen.

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