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CBSE Class 9 Answered

An element X shows 2 valencies of 3 and 5. Work out the formula of 2 oxides of this element.
Asked by Yashraj Limkar | 04 Dec, 2013, 07:23: PM
answered-by-expert Expert Answer

Let the element be “X”

Case 1:

Valency of X= +3

Valency of Oxide “O”= -2

Therefore, the formula for the oxides of the element X= X2O3

Case 2:

Valency of X= +5

Valency of O= -2

Therefore, the formula for the oxides of the element X= X2O5

Answered by Karishma Kapoor | 05 Dec, 2013, 11:28: AM

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