Will hydrogen gas displace copper in a copper(II) chloride solution?

AI Thread Summary
The discussion centers on the reactivity of hydrogen gas compared to copper, particularly in the context of copper(II) chloride. It is established that according to the reactivity series, hydrogen is indeed more reactive than copper. This means that hydrogen gas can displace copper from a copper(II) chloride solution when bubbled through it. The reaction is supported by the equation CuCl2 + H2 --> Cu + 2 HCl, indicating that heating solid copper(II) chloride and passing hydrogen gas over it would yield copper and hydrochloric acid. The conversation emphasizes the general principle that gases, like hydrogen, tend to be more reactive than solids, reinforcing the idea that hydrogen's reactivity allows it to displace copper in chemical reactions.
reventon_703
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According to the reactivity series, copper is below hydrogen.
In theory, hydrogen gas should be able to displace copper in a copper(II) chloride solution should the gas be bubbled into the solution, is this true?
 
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Is copper below hydrogen or hydrogen gas (H2)?
 
Touche... it is hydrogen.
But how can I find out if hydrogen gas is more reactive than copper? Gases are often more unstable and reactive than solids is it not?
 
I agree that Hydrogen is more reactive than Copper. Heat solid CuCl2 (below its temperature of decomposition) and pass H2 gas over it. I would expect:

CuCl2 + H2 --> Cu + 2 HCl
 

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