Question

Dihydrogen with high purity (> 99.96%) is obtained by ____________.

Options

• electrolysis of brine solution

• electrolysis of warm barium hydroxide solution

• electrolysis of dilute sulphuric acid

• None of these

Answer 1

Dihydrogen with high purity (> 99.96%) is obtained by electrolysis of warm barium hydroxide solution.

Explanation:

Electrolysis of warm aqueous solution of barium hydroxide using nickel electrodes gives dihydrogen of high purity (> 99.96%).