Verified Solution • 2025–26 Session moderate

QJEEM22Ch8583: JEE Main 2022 Chemistry - Class 11 JEEM22Ch8583 Solution: High purity (> 99.95%) dihydrogen is obtained by :

High purity (> 99.95%) dihydrogen is obtained by :

Multiple Choice Options

  • A reaction of zinc with aqueous alkali.
  • B electrolysis of acidified water using platinum electrodes.
  • C electrolysis of warm aqueous barium hydroxide solution between nickel electrodes.
  • D reaction of zinc with dilute acid.

Step-by-Step Verified Solution

High purity (>99.95 %) H2\mathrm{H}_{2} is obtained by electrolysing warm aqueous Ba(OH)2\mathrm{Ba}(\mathrm{OH})_{2} solution between nickel electrodes.

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