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Which of the following reactions yields elementary gases like N2, H2, O2, as the by products

Which of the following reactions yields elementary gases like N2, H2, O2, as the by products

Grade:12

1 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
7 years ago
the metals which are lower in reduction potential of electrochemical series liberate hydrogen gas in aqueous solution
2 Al + 6H2O+ 2OH−→ 2Al(OH)−4+ 3H2
Fe + H2O → FeO + H2

2 Fe + 3 H2O → Fe2O3+ 3 H2

3 Fe + 4 H2O → Fe3O4+ 4 H2

fromation of N2
NH4Cl(aq) + NaNO2(aq) → N2(g) + NaCl(aq) + 2 H2O (l)
2 NaN3→ 2 Na + 3 N2

02 fromation
photosynthesis reaction
from ozone
NaOCl +H2O2→O2+ NaCl +H2O
2KMnO4+ 3H2O2→ 2MnO2+ 2 KOH +2H2O+ 3O2

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