Generally metals react with acids to give salt and Hydrogen. Why does metals(except manganese and magnesium) not evolve Hydrogen gas on reacting with HNO3.
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Hydrogen gas is not evolved when a metal reacts with nitric acid. It is because HNO3 is a strong oxidising agent. It oxidises the H2 produced to water and itself gets reduced to any of the nitrogen oxides (N2O, NO, NO2).
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because nitric acid is oxidising agent. so it will oxidize H2 to water.
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