What is this equation an example of: $Zn + 2HCl -> ZnCl_2 + H_2$ ?

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Answer 1 · 2017-05-15T07:29:23

This is a redox reaction..........

Zinc metal is oxidized up to $Zn^(2+)$ ...........

$ZnrarrZn^(2+) + 2e^-$ $(i.)$

Hydrogen chloride is reduced to dihydrogen..........

$2HCl(aq) +2e^(-) rarr H_2(g)uarr + 2Cl^(-)$ $(ii.)$

And $(i) + (ii)$ gives................

$Zn(s) + 2HCl(aq) rarr H_2(g) + ZnCl_2(aq)$

What is this equation an example of: Zn + 2HCl -> ZnCl_2 + H_2Zn + 2HCl -> ZnCl_2 + H_2?