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The P-Block Elements

Question
CBSEENCH12006827
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Give reasons for the following:
NO2 demerises to form N2O4

Solution
NO2 is an odd electron molecule i.e., it has one unpaired electron. Such molecules are highly reactive and tend to form a dimer by pairing of the unpaired electrons. Thus get stablity, Therefore NO2, dimerises to form N2O4 which contains a N-N single bond.

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 →

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