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JEE PYQ: Hydrogen Question 14

Question 14 - 2020 (06 Sep Shift 2)

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

(a) the reaction of Zn with dilute HCl. (b) the electrolysis of acidified water using Pt electrodes. (c) the electrolysis of brine solution. (d) the electrolysis of warm $\text{Ba(OH)}_2$ solution using Ni electrodes.

Show Answer

Answer: (d)

Solution

Dihydrogen of high purity (> 99.95%) is obtained by the electrolysis of $\text{Ba(OH)}_2$ using Ni electrodes.


Learning Progress: Step 14 of 31 in this series