Question

If an element X has a valency of 3, then ind out the formula of its chloride and sulphide.

Answer 1

It is given that element X has a valency of 3. 

Formula for chloride of element X: 

Formula: MCl₃ 

Thus, the formula for chloride of element X is MCl₃ . 

Formula for sulphide of element X:

Formula: M₂S₃ 

Thus, the formula for sulphide of element X is M₂S₃ .