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Why hydrogen gas is not evolued.when …

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Why hydrogen gas is not evolued.when metal react with nitric acid

Posted by Dev Solanki 6 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Aditi .D 6 years, 3 months ago

When metals react with nitric acid hydrogen gas is liberated. Nitric acid is a very strong oxidizing agent. So , it oxidizes the hydrogen gas formed during the reaction to form water and an oxide of nitrogen (NO,N2O,NO2 etc.). The reaction for it is:- Zn+4HNO3→Zn(NO3)2+2NO2+2H2O Exception:- Magnesium and manganese react with very dilute nitric acid to liberate hydrogen gas. The reaction for it is:- Mg+2HNO3→Mg(NO3)2+H2 Read more on Brainly.in - https://brainly.in/question/3413934#readmore

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