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The P-Block Elements

Question

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Give the disproportionation reaction of H₃ PO₃.

Solution

On heating H₃PO₃ disproportionates to give PH₃
4H₃PO₃→ 3H₃PO₄ + PH₃

Some More Questions From The p-Block Elements Chapter

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.

Write the order of thermal stability of the hydrides of Group 16 elements.

Why is H₂O a liquid and H₂S a gas?

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