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The p-Block Elements
Question
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Assign reasons for the following:
Of the noble gases only xenon is known to form well-established chemical compounds.

Answer

Xenon is larger in size hence bigger the size force of attraction decrease over the electron thus Xenon is known to form well established chemical compounds also (a) the first ionisation energy of xenon gas (1170 KJ mol–1) is fairly close to that of oxygen (1166 KJ mol–1).

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Some More Questions From The p-Block Elements Chapter

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

Complete the following reactions
(i) C2H4 + O2 →
(ii) 4Al + 3O2 →

Why does O3 act as a powerful oxidising agent?