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The P-Block Elements

Question
CBSEENCH12006816
Wired Faculty App

How are xenon fluorides XeF2, XeF4 and XeF6 obtained?

Solution
All three binary fluorides of Xe are formed by direct union of elements under appropriate experimental conditions. XeF2 can also be prepared by irradiating a mixture of Xenon and fluorine with sunlight or light from a pressure mercury are lamp.

Xe (g) +F2(g) →∆ at 675 k  XeF(g)Xe (g) +2F2(g)    →sealed Ni vessel∆ at 75 k, 6 atm   XeF4(s)Xe(g) +3F2(g) →sealed Ni vessel∆ at 475-975 k XeF6(s)

Some More Questions From The p-Block Elements Chapter

Bond angle in PH4+ is higher than that in PH3. Why?

Write a balanced equation for the hydrolytic reactions PCl5 in heavy water.

What is the basicity of H3PO4?

What happens when H3PO3 is heated?

List the important source of sulphur.

Write the order of thermal stability of the hydrides of Group 16 elements.

Why is H2O a liquid and H2S a gas?

Which of the following does not react with oxygen directly?
Zn, Ti, Pt, Fe

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