Chemistry : The p-Block Elements

Explain why phosphorus forms PF₅ while nitrogen does not form NF₅.

Accounts for the following:
NH₃ is stronger base than PH_3.

Accounts for the following:
HF is weaker acid than HI

Are all the five bonds in PCl₅,molecule equivalent? Justify your answer.

How would your prepare the following: (i) H₃PO₃, (ii) HI, (iii) HClO₄.

How are XeF₂, and XeF₄ prepared?

Draw the structures of the followings: (a) H₂SO₃, (b) H₂SO₄, (c) SO₃.

Account for the following:
The boiling points of noble gases increase with the increase in atomic number.