Question

High purity (&gt9995; \%) 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)

electrolysis of warm aqueous barium hydroxide solution between nickel electrodes.

Answer 2

High purity (>99.95%) dihydrogen is obtained by electrolysis of warm aqueous Ba(OH)2​ solution between Ni-electrodes