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JEE Main 20206 SeptemberEvening Shift
Exam
JEE Main
Year
2020
Date
6 September
Shift
Evening Shift
Subject
Chemistry
Chapter
Hydrogen

JEE Main 2020 · 6 September · Evening Shift · Chemistry · Hydrogen

Dihydrogen of high purity (> 99 . 95 %) is obtained through :

Dihydrogen of high purity \left(> 99 . 95 %\right) is obtained through :

Options

  1. AThe reaction of ZnZn with dilute HClHCl.
  2. BThe electrolysis of acidified water using PtPt electrodes.
  3. CThe electrolysis of brine solution.
  4. DThe electrolysis of warm Ba(OH)2Ba{\left(OH\right)}_{2} solution using NiNi electrrodes.

Correct answer

D. The electrolysis of warm Ba(OH)2Ba{\left(OH\right)}_{2} solution using NiNi electrrodes.

Step-by-step solution

Dihydrogen of high degree of purity \left(> 99 . 95 %\right) is obtained by the electrolysis of warm aqueous barium hydroxide solution between nickel electrodes.
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