Question

An element X forms and oxide which formula X 203 state the valency of x b write the formula of of chloride of X sulphate of x

Answer 1

Formula Of The Oxide X 203

So,valency will be 3.

[ii] [a] X CL3 since Cl has valency -1.

[b] X2[SO4]3 since SO4 has valency -2.