Why HNO3 doesn't produce hydrogen gas on reacting with a metal. Support with a chemical reaction

Zn + HNO3 ------->?

Mg + HNO3 ------->?

Answers (1)
S Sumit

HNO3 does not produce hydrogen gas on reacting with metal because HNO3 is a strong oxidizing agent and it further oxidize hydrogen gas to water.

Zn+4HNO3→Zn(NO3)2+2NO2+2H2O

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