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Question: Answered & Verified by Expert
In a compound atoms of element $Y$ from ccp lattice and those of element $X$ occupy $2 / 3^{\text {rd }}$ of tetrahedral voids. The formula of the compound will be
ChemistrySolid StateJEE MainJEE Main 2008
Options:
  • A
    $X_4 Y_3$
  • B
    $X_2 Y_3$
  • C
    $X_2 Y$
  • D
    $\mathrm{X}_3 \mathrm{Y}_4$
Solution:
2632 Upvotes Verified Answer
The correct answer is:
$X_4 Y_3$
No. of atoms of $Y=4$
No. of atoms of $X=\frac{2}{3} \times 8$
Formula of compound will be $X_4 Y_3$

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