7. Zinc liberates hydrogen gas when reacted with dilute hydrochloric a – InterviewSolution

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1.	7. Zinc liberates hydrogen gas when reacted with dilute hydrochloric acid, whereas copper does not.Explain why ?
Answer» Zinc reactswith hydrochloric acid toliberate Hydrogen gasas it is more reactive thanHydrogenand hence, displace it. Copper is less reactive when compared toHydrogenand hence cannot displace it. The same can be understood by looking at the activity series of metals.

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