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The P-Block Elements

Question

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How is the presence of SO₂ detected?

Solution

SO₂ decolourises acidifed potassium permanganate (VII) solution.
5SO₂+ 2MnO^–₄, + 2H₂O→ 5SO₄ ^2– + 4H⁺ + 2Mn²⁺

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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