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Magnesium will react with aqueous HCl to form magnesium chloride and hydrogen gas. Simple. But I've just read in my textbook that HCl in a solution of ethanol no reaction will take place. There is no explanation given.

I know HCl is soluble in both solutions, but I cannot figure out what accounts for the difference in reactivity with Mg. I suppose it must be due to waters ability to act as a Bronsted-Lowry base and form a hydronium ion, but I also can't see how this would be an effective intermediate in the reaction mechanism. I am lost, and would appreciate any expertise in this area.

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    $\begingroup$ I find the textbook's claim to be highly suspicious. $\endgroup$ – Zhe Apr 1 at 20:44
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    $\begingroup$ I agree. Which textbook is this? $\endgroup$ – Waylander Apr 1 at 21:28
  • $\begingroup$ The textbook is Hodder IB Higher Level Chemistry $\endgroup$ – 124c41 Apr 2 at 11:37

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