an element X forms a compound XH³ with hydrogen. Another element Y forms a compound YX² with X. Given that the valency of hydrogen is 1, what are the valencies of X and Y?
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x= -3
y= +6
reasons:
As the sign would be reversedin case of oxidation state.
Hydrogen must probably have (-1)
In case of YX2 we found that
x=-3
Than -3-3=-6
Hope I helped you little!!!!!
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