Question

An element has valency 2.Write formula of its oxide, hydroxide, sulphite, nitrite and phosphate

Answer 1

Let Element be 'X'

Oxide formula = XO.

Hydroxide formula=X(OH) 2.

Sulphite formula=XSO3

Nitrite formula=XN2

Phosphate formula=X3(PO4) 2

Answer 2

Explanation:

Let Element be 'X'

Oxide formula = XO.

Hydroxide formula=X(OH) 2.

Sulphite formula=XSO3

Nitrite formula=XN2

Phosphate formula=X3(PO4) 2