Question

why can zinc displace hydrogen from the dilute hydrochloric acid​

Answer 1

Hello,

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because zinc is high reactive element compare to hydrogen that's why zinc displace hydrogen from HCl


2Zn + 2HCl = 2ZnCL + H2


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Answer 2

Zinc displace hydrogen from dilute hydrochloric acid because zinc is more reactive than hydrogen and the reaction takes place by replacing a low reactive element by a high reactive element.

HCl+Zn-ZnCl2 +H2

where hydrogen is liberated.

Hope it helps.