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 hydroxi

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.

Prashant Kotian · Accepted Answer

Correct answer: C) ELECTROLYSIS OF WARM AQUEOUS BARIUM HYDROXIDE SOLUTION BETWEEN NICKEL ELECTRODES.. High purity dihydrogen is obtained by electrolysis of warm aqueous barium hydroxide solution between Ni electrodes.

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