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The P-Block Elements

Question

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How will you prepare hyrogen iodide?

Solution

Hydrogen iodide can be prepared by reacting iodine with hydrazine.
2I₂ + N₂H₄→ N₂ + 4HI

HI can be prepared by simply combining H₂ and I₂:
H₂ + I₂ → 2 HI

Some More Questions From The p-Block Elements Chapter

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?

List the important source of sulphur.

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