Question

give reason the dilute hydrochloric acid react with magnesium laborating hydrogen but the same is not liberated when the acid reacts with copper
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Answer 1

Answer:

Magnesium reacts with hydrochloric acid according to the equation: Mg(s) + 2 HCl(aq) --> MgCl 2(aq) + H 2(g) This demonstration can be used to illustrate the characteristic reaction of metals with acid, a single replacement reaction, or to demonstrate the generation of hydrogen gas.