Chemistry, asked by aayushawasthi12305, 2 months ago

Generally, when metals are treated with mineral acids, hydrogen gas is liberated but when metals (except Mn and Mg), treated with HNO3, hydrogen is not liberated, why?

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Answered by SvastiBorkar

10

Answer:

Generally, when metals are treated with mineral acids, hydrogen gas is liberated but when metals (except Mn and Mg) are treated with HNO3, hydrogen is not liberated, why? Nitric acid (HNO3) is a strong oxidising agent. ... So, in the reaction of metals (except Mn and Mg) with dilute nitric acid, no hydrogen gas is evolved.

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