Question

High purity $(>99.95\%)$ dihydrogen is obtained by

• A. reaction of zinc with aqueous alkali.
• B. electrolysis of acidified water using platinum electrodes.
• C. electrolysis of warm aqueous barium hydroxide solution between nickel electrodes.
• D. reaction of zinc with dilute acid.

Answer 1

Answer: (C)

High purity $(>99.95\%)$ dihydrogen is obtained by electrolysis of warm aqueous $Ba(OH{)}_2$ solution between $Ni$-electrodes