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.