Give the balanced equation to prepare phosphorus pentoxide. Also, give the type of oxide to which phosphorus pentoxide belongs.

Q. Acetaldoxime reacts with phosphorus pentoxide to give :

Q.

Write a balanced chemical equation when

Phosphorus burns with oxygen to form phophorus pentoxide

Q.

Calcium oxide and phosphorus pentoxide are very good drying agents but they are not used to dry HCl gas. Give reasons for each.

Q. Drying agents like calcium oxide and phosphorus pentoxide are not used for drying hydrogen chloride gas. Give reasons for each. [3 marks]