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Hydrogen Gas RXN

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goeagles520:
Hello,

I was just wondering if there is an aqueous solution (organic or inorganic) that reacts with hydrogen gas (H2) and subsequently undergoes a color change. Alternatively, is there a solution that can react with hydrogen gas to form a compund that can be colorimetrically detected with some commerically available assay kit?

Thanks in advance,
-Goeagles520

xiankai:
if hydrogen can be ionised, then it will colour blue litmus paper red... or is it only possible in acids?

Borek:
But it can't be ionised this way. H2 doesn't dissociate in water.

Donaldson Tan:
isn't a hydrogen a reducing agent?

find an oxidising agent whose reduced product is of a different colour of its original form.

goeagles520:
Unfortunately, the strength of the H-H bond is so great that it makes H2 a highly unreactive reducing agent, and thus, a bad reducing agent. Any other thoughts, Im getting a bit desperate  ::)

-Go

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