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Scales of Electronegativity

6. X2- ions a...

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6. X2- ions are arranged in CCP.A2+ ions are present in 1/8 th of T- voids and B+3 are present in 1/2 of O- voids.The ratio of number of B+3 ions to A2+ in is

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Q. In a crystal oxide ions are arranged in fcc and

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In a compound oxide ions are present in CCP. $\frac{1}{6}$ th of the tetrahedral voids are occupied cation A and $\frac{1}{3}$ rd of the octahedral voids are occupied by cation B. What is the formula of the compound and what are the charges on A and B respectively.

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