Question

balance the following equation- Zinc liberates hydrogen gas when react with
dilute hydrochloric atid​

Answer 1

Answer:

Zinc reacts with hydrochloric acid to liberate Hydrogen gas as it is more reactive than Hydrogen and hence, displace it. Copper is less reactive when compared to Hydrogen and hence cannot displace it.

Hence, Zinc liberates hydrogen gas when reacts with dilute hydrochloric acid, whereas copper does not.

Answer 2

Answer:

let's write this word equations into chemical equations

Zn + HCL = H2

when we balance it we get

Zn + 2HCL = ZnCl2 + H2

hope it helps you

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