CBSE Class 9 Answered
An element 'X'forms an oxide with formula X2O3
(i)State the valency of X
(ii) Write the formula of
(a) chloride of X
(b) Sulphate of X.
Asked by Topperlearning User | 30 Mar, 2016, 10:09: AM
Expert Answer
(i)
Formula of the oxide X2O3
So, valency of X will be 3.
(ii) (a) XCl3 since Cl has valency -1.
(b) X2(SO4)3 since SO4 has valency -2.
Answered by | 30 Mar, 2016, 12:09: PM
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