CBSE Class 10 Answered
question no 7
Asked by ys2759722 | 15 Dec, 2020, 07:55: PM
Expert Answer
The valency of group 13 element is 3.
Thus, valency of element X is 3.
Valency of chlorine = 1 Valency of oxygen = 2
Thus, using criss - cross method,
Formula for oxide of given element X = XCl3
Formula for oxide of given element = X2O3
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