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In a crystalline solid, the atoms A and B are arranged as follows : (a) Atoms A are arranged in ccp array. (b) Atoms B occupy all the octahedral voids and half of the tetrahedral voids. What is the formula of the compound ? |
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Answer» No. of A (ccp) = 4 No. of B = octahedral voids + Tetrahedral/2 =4+8/2 =4 A : B therefore, formula of the compound is AB2 4 : 8 1 : 2 AB2 |
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