A crystalline solid XY_(3) has ccp arrangement for its element Y. The – InterviewSolution

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1.	A crystalline solid XY_(3) has ccp arrangement for its element Y. The element X occupies :
Answer» `66%` of TETRAHEDRAL holes `33%` of tetrahedral holes `66%` of octahedral holes `33%` of octahedral holes Solution :The RATIO of X and Y is `1:3` `:.` X will occupy `1//3` RD of octahedral VOIDS `:.%` of octahedral voids occupied by X `=1/3xx100=33.3%`

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