When obtaining exceptionally high-purity dihydrogen via the electrolysis of warm aqueous barium hydroxide solution using nickel electrodes, the guaranteed purity of the hydrogen obtained is greater th

Question

When obtaining exceptionally high-purity dihydrogen via the electrolysis of warm aqueous barium hydroxide solution using nickel electrodes, the guaranteed purity of the hydrogen obtained is greater than $99.9x\%$. What is the integer value of $x$?

Prashant Kotian · Accepted Answer

Correct answer: 5. Dihydrogen of high purity () is obtained by electrolysing warm aqueous barium hydroxide solution between nickel electrodes. Therefore, .

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