Why is hno3 not forming salt and h2 gas with metals
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As the HNO3 also known as nitric acid.And Nitric acid is a string oxidizing agent. So as soon as hydrogen gas is formed in the reaction between a metal and nitric acid, the nitric acid oxidizes hydrogen gas to water and itself get reduced to any of nitrogen oxides. Thus nitric acid does not release hydrogen gas upon reaction with metals.
The reaction between Mg and HNO3 is given by-
4Mg+10HNO3→4Mg (NO3)2+NH4NO3+3H2O
Explanation:
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