NCERT Class XII Chemistry
Chapter - The p-Block Elements
Questions with Solutions

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Question : 33
Total: 74
How are xenon fluorides XeF2,XeF4and XeF6 obtained?
Solution:  
Xenon forms three binary fluorides, XeF2,XeF4 and XeF6 by thedirect reaction of elements under appropriate experimental conditions.
Xe(g)+F2(g)
673K
1 bar
XeF2(s)

(xenoninexcess)

Xe(g)+2F2(g)
873K
7 bar
XeF4(s)

(1:5ratio)

Xe(g)+3F2(g)
573K
6070 bar
XeF6(s)

(1:20ratio)
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