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Question

Name the gas evolved when HCl acid is added to Zinc metal.


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Solution

The gas evolved during the reaction of HCl acid and Zinc:

  • Zinc is known as a metal having electropositive nature, which is useful for the reduction of chemical compounds.
  • When HCl , which is an acid goes into the chemical reaction with the Zinc metal, the reaction occurs by vigorously bubbles, which are due to the formation of Hydrogen gas.
  • The formation of bubbled Hydrogen gas generally indicates the reaction occurring between HCl and Zinc metal.
  • The chemical reaction for this can be shown as:
    Zn(s)Zinc+2HCl(aq)HydrochloricacidZnCl2(aq)Zincchloride+H2(g)Hydrogengas

Hence, the gas evolved when HCl acid is added to Zinc metal is Hydrogen gas.


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