High Quality Content by WIKIPEDIA articles! Xenon hexafluoride is a noble gas compound with the formula XeF6 and the highest of the three binary fluorides of xenon, the other two being XeF2 and XeF4. All are exergonic and stable at normal temperatures. XeF6 is the strongest fluorinating agent of the series. At room temperature, it is a colorless solid that readily sublimes into intensely yellow vapors. Xenon hexafluoride can be prepared by long-term heating of XeF2 at about 300°C and pressure 6 Mpa. With NiF2 as catalyst, however, this reaction can proceed at 120°C even in xenon-fluorine molar ratios as low as 1:5.

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