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The p-Block Elements
Question
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Complete the following reactions
(i) C2H4 + O2 →
(ii) 4Al + 3O2 →

Answer

C2H4 undergoes combustion to form CO2 and H2O
i) C2H4 + O2 → 2CO2 + 2H2O

Al combines with O2 to form alumina.
(ii) 4Al + 3O2→ 2Al2O3

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Some More Questions From The p-Block Elements Chapter

Why is N2 less reactive at room temperature?

Mention the conditions required to maximise the yield of ammonia.

What is the covalency of nitrogen in N2O5?

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?