Easy MCQ +4 / -1 PYQ · JEE Mains 2020

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

  1. A the electrolysis of acidified water using Pt electrodes
  2. B the electrolysis of warm Ba(OH)<sub>2</sub> solution using Ni electrodes Correct answer
  3. C the electrolysis of brine solution
  4. D the reaction of Zn with dilute HCl

Solution

To obtain H<sub>2</sub> of high purity (&gt; 99.95 %) electrolysis of Ba(OH)<sub>2</sub> solution is done using Ni electrodes.

About this question

Subject: Chemistry · Chapter: p-Block Elements · Topic: Group 13: Boron Family

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