Question

How does zinc react with concentrated hydrochloric acid?

Answer 1

Answer:

The reaction between zinc and hydrochloric acid is Zn + HCl = H2 + ZnCl2. It is a single replacement reaction where zinc metal displaces the hydrogen to form hydrogen gas and zinc chloride, a salt. Zinc reacts quickly with the acid to form bubbles of hydrogen.

Explanation:

Answer 2

The balanced chemical equation when zinc reacts with hydrochloric acid is $Zn+2HCl\rightarrow ZnCl_2+H_2$

Explanation:

Single displacement reaction is defined as the reaction in which more reactive element displaces a less reactive element from its chemical reaction.

The reactivity of metal is determined by a series known as reactivity series. The metals lying above in the series are more reactive than the metals which lie below in the series.

$A+BC\rightarrow AC+B$

The chemical equation for the reaction of zinc and hydrochloric acid follows:

$Zn+2HCl\rightarrow ZnCl_2+H_2$

Zinc is more reactive than hydrogen. So, it will displace hydrogen easily from its chemical equation.

Learn more about single displacement reaction:

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