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What is the chemical $\ce{CuCl.CO.2H2O},$ formed via the reaction of copper chloride and carbon monoxide?

Does this compound have any use or appear in any noteworthy reaction?

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    $\begingroup$ Welcome to Chemistry! This is a homework question. We have a policy which states that ‎you should show your thoughts and/or efforts into solving the problem. It'll make us certain that ‎we aren't doing your homework for you. Otherwise, this question may get closed.‎ Please edit in your full reasoning or thoughts on this. $\endgroup$
    – M.A.R.
    Jan 28, 2017 at 13:37

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The compound is called copper(I) chloride dihydrate - carbon monoxide adduct. It is formed during the Gatterman-Koch reaction.

Gatterman-Koch reaction is a reaction that produces aromatic aldehyde from aromatic hydrocarbons. The reagent used are carbon monoxide, hydrochloric acid and a Friedel-Craft catalyst like copper(I) chloride ($\ce{CuCl}$) or aluminium chloride ($\ce{AlCl3}$). So, the adduct is formed by the reaction of copper chloride and carbon monoxide during the course of reaction. If aluminium chloride is used, then a complex would be formed i.e aluminum trichloride complex, $\ce{[HCO(AlCl4)]}$.

To know more about the mechanism and role of reagents, see this previous question on chem.SE..

Other References

  1. https://en.wikipedia.org/wiki/Gattermann_reaction

  2. https://www3.aiche.org/proceedings/Abstract.aspx?PaperID=358705

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By dissolving mixture of ammoniacal cuprous chloride solution with carbon monoxide, the reaction that occurs is the formation for copper(I) chloride dihydrate carbon monoxide adduct:

$$\ce{CuCl + CO + 2 H2O -> CuCl·CO·2H2O}.$$

This reaction is also used in Bosch process for the removal of carbon monoxide.

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    $\begingroup$ It would be nice if the answer were also backed up by providing the references to the original publication/patent. $\endgroup$
    – andselisk ♦
    May 31, 2020 at 6:34
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$\ce{CuCl.CO.2H2O}$ is the addidtion compound when CO is passed through the ammonical solution of cuprous chloride.

$$\ce{CuCl + CO + 2H2O -> CuCl.CO.2H2O}$$

It is white crystalline adduct.

I dont really know the name... but this is the story behind this compound..

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    $\begingroup$ You're not saying much that OP didn't already say, to be honest. It's not much of your fault; the question is just poor. $\endgroup$
    – orthocresol
    Jan 28, 2017 at 14:13
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We can consider it as coordination compound in which Chlorido and carbonyl acts as ligands and it can be represented as $\ce{[CuCl(CO)].2H2O}$

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  • $\begingroup$ Cu+ is transition metal ion and it form coordination compounds with Lewis bases. $\endgroup$
    – narendra kumar
    Jan 28, 2017 at 14:31

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