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The P-Block Elements

Question

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Which of the following is the most basic oxide?

Al₂O₃

Sb₂O₃

Bi₂O₃

SeO₂

Solution

C.

Bi₂O₃

In Al₂O_3, Sb₂O₃, Bi₂O₃ and SeO₂. Bi₂O₃ is most basic oxide due to higher reactivity with acid
Bi₂O₃ + 6HCl → 2BiCl₃ + 3H₂O

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?

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