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Question

When dilute HCl reacts with Zinc metal, which gas is liberated?


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Solution

Zinc:

  • The zinc belongs to d-block elements.
  • Its atomic number is 30.
  • It is a silvery greyish metal.
  • It is used in the galvanization of metals, and the manufacture of steel, rubber, paint and alloys.

Reaction:

  • When zinc reacts with dilute HCl, zinc chloride salt is formed and hydrogen gas is liberated.
  • The hydrogen gas is produced as a bubble.
  • The reaction is a simple displacement reaction.

Zn(s)+2HCl(aq)ZnCl2(aq)+H2(g)(Zinc(dil.Hydrochloric(Zincchloride)(Hydrogengas)metal)acid)


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