Question

A compound formed by elements \(X\) and \(Y\) crystallizes in the cubic structure, where \(X\) atoms are at the corners of a cube and \(\mathrm{Y}\) atoms are at the centres of the body. The formula of the compound is
(A) \(\mathrm{XY}\)
(B) \(\mathrm{XY}_{2}\)
(C) \(\mathrm{X}_{2} \mathrm{Y}_{3}\)
(D) \(\mathrm{XY}_{3}\)

Answer 1

Ans(A)

\begin{array}{ccc}
X & Y & \\
\downarrow & \downarrow & \\
& \\
8 \times \frac{1}{8} & & \\
=1 & & \\
X: Y=1: 1 & \therefore X Y
\end{array}

Answer 2

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Answer 3

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