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Lämmastiku oksiidid

Lämmastiku oksiidid. NO , NO 2 ,N 2 O. NO. Värvusetu mürgine gaas. Tekib looduses välgu toimel: N 2 +O 2 →2NO Tööstuses saadakse ammoniaagi katal.(Pt) oksüdeerimisel: 4NH 3 +5O 2 →4NO+6H 2 O Laboratoorselt saadakse vase reag. lahj.HNO 3 –ga: 3Cu + 8HNO 3 →2NO+4H 2 O+ 3 Cu(NO 3 ) 2.

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Lämmastiku oksiidid

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  1. Lämmastiku oksiidid NO , NO2 ,N2O

  2. NO Värvusetu mürgine gaas. Tekib looduses välgu toimel: N2+O2→2NO Tööstuses saadakse ammoniaagi katal.(Pt) oksüdeerimisel: 4NH3+5O2→4NO+6H2O Laboratoorselt saadakse vase reag. lahj.HNO3 –ga: 3Cu + 8HNO3 →2NO+4H2O+ 3 Cu(NO3)2

  3. NO2 Punakaspruuni värvusega terava lõhnaga mürgine gaas. Tekib: 2NO + O2→2NO2 Laboratoorselt saadakse vase reag. konts. lämmastikhappega: Cu + 4HNO3 →2NO2 + 2H2O + Cu(NO3)2

  4. N2O Värvusetu lõhnatu gaas. Narkootilise toimega (naerugaas  ). Kasutati narkoosivahendina. Saadakse: NH4NO3→N2O + 2H2O 2 N2O → 2N2 +O2

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