Dihydrogen of high purity (>99.95%) is obtained through:

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Question:
Dihydrogen of high purity $(>99.95 \%)$ is obtained through:

the reaction of $\mathrm{Zn}$ with dilute $\mathrm{HCl}$.
the electrolysis of acidified water using Pt electrodes.
the electrolysis of bringe solution.
the electrolysis of warm $\mathrm{Ba}(\mathrm{OH})_{2}$ solution using $\mathrm{Ni}$ electrodes.

Correct Option: , 4

Solution:

Dihydrogen of high purity $(>99.95 \%)$ is obtained by the electrolysis of $\mathrm{Ba}(\mathrm{OH})_{2}$ using Ni electrodes.