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In a crystalline solid, X atoms occupy hcp and `1//4` th of tetrahedral coids are occupied by Y atoms. Then empirical formula of crystalline solid isA. `X_(2)Y`B. `XY_(2)`C. `X_(4)Y`D. `XY` |
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Answer» Correct Answer - A `X rarr 12 xx (1)/(6) + 3 + 2 xx (1)/(2) = 6` `Y = 12 xx (1)/(4) = 3 X_(6)Y_(3) rArr X_(2) Y` |
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