Difluorek tlenu

Difluorek tlenu
Ogólne informacje
Wzór sumaryczny

OF2

Masa molowa

54,00 g/mol

Wygląd

bezbarwny gaz o mdłym zapachu[2]

Identyfikacja
Numer CAS

7783-41-7

PubChem

24547

Podobne związki
Podobne związki

woda, tlenek chloru(I)

Jeżeli nie podano inaczej, dane dotyczą
stanu standardowego (25 °C, 1000 hPa)

Difluorek tlenu, OF
2
nieorganiczny związek chemiczny z grupy fluorków, w którym tlen znajduje się na II stopniu utlenienia.

W temperaturze pokojowej jest to bezbarwny gaz, rozpuszczalny w wodzie. Reaguje wybuchowo z parą wodną zgodnie ze schematem:

OF
2
+ H
2
O 2HF + O
2

W temperaturze powyżej 260 °C rozkłada się na pierwiastki składowe.

Otrzymywany przez działanie fluorem na rozcieńczony roztwór wodorotlenku sodu:

2F
2
+ 2NaOH 2NaF + H
2
O + OF
2

Difluorek tlenu można otrzymywać w sposób ciągły. Do zamkniętego naczynia wprowadza się od dołu wodny roztwór wodorotlenku sodowego, a poprzez dodatkową rurkę z góry – gazowy fluor na dno naczynia. Otworem z boku, w połowie wysokości naczynia, uchodzi wodny roztwór fluorku sodowego, zaś gazowy fluorek tlenu jeszcze jednym wyprowadzeniem na górze naczynia. Przy 4% roztworze wodorotlenku sodowego wydajność reakcji wynosi ok. 15%.

Przypisy

  1. a b Neil G. Connelly i inni, Nomenclature of Inorganic Chemistry. IUPAC Recommendations 2005 (Red Book), International Union of Pure and Applied Chemistry, RSC Publishing, 2005, s. 320, ISBN 978-0-85404-438-2 (ang.).
  2. a b c d e f g h i Oxygen difluoride, [w:] GESTIS-Stoffdatenbank [online], Institut für Arbeitsschutz der Deutschen Gesetzlichen Unfallversicherung, ZVG: 570242 [dostęp 2024-03-12] (niem. • ang.).
  3. Don M. Yost, Geobge H. Cady, Oxygen Fluoride, [w:] Inorganic Syntheses, Harold Simmons Booth (red.), t. 1, 1939, s. 109–111, DOI10.1002/9780470132326.ch39 (ang.).

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