When zinc metal is treated with dilute
HCl or dilute H2SO4, hydrogen gas is evolved,
but with dilute HNO3 hydrogen gas is not
evolved. Explain.
Ans. Zinc metal reacts with dilute HCl and
Answers
Answered by
5
Answer:
This happens because, HNO3 (Nitric Acid) is a strong oxidising agent.
It oxidises the Hydrogen produced during the reaction immediately into H2O and gets itself reduced into nitrogenous oxides like NO2, N2O, NO, etc.
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Answered by
1
Answer:
Nitric acid (HNO3) is a strong oxidising agent. It oxidises hydrogen formed in the reaction to its oxide i.e., water and itself is reduced. For example, zinc metal reacts with conc. HNO3 to evolve NO2 gas.
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