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?

AcademicChemistryNCERTClass 10

When metals are treated with mineral acids, hydrogen gas is liberated but when metals are treated with HNO3, hydrogen is not liberated because HNO3 is a strong oxidising agent so it oxidises hydrogen to water.
raja
Updated on 10-Oct-2022 13:27:26

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