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in Periodic Table and Electronic Configuration by (37.8k points)
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a. Two compounds XY2 , XZ4 are given. The oxidation state of Z is 1. What will be the oxidation state of Y ? 

b. Write the molecular formula of the compound formed by Y when it combines with aluminum (Al) having oxidation state +3.

1 Answer

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a. Y= – 2 (oxidation state of X is +4) 

b. Al2 Y3

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