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Standard XII

Chemistry

Crystal Lattice and Unit Cell

A compound fo...

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 Y atoms are at the centre of the body. The formula of the compound is?

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X Y_{2}

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X_{2} Y_{2}

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X Y_{3}

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Solution

The correct option is B XY
$X = 8 \times \frac{1}{8} = 1$ (at corner)

$Y = 1 \times 1 = 1$ (at body center)

So the formula of compound is $=$ XY.

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A compound formed by elements X and Y crystallizes in the cubic structure, where X atoms are at the corners of a cube and Y atoms are at the centre of the body. The formula of the compound is?

The correct option is B XYX=8×18=1(at corner)Y=1×1=1(at body center)So the formula of compound is =XY.

The correct option is B XY
$X = 8 \times \frac{1}{8} = 1$ (at corner)

$Y = 1 \times 1 = 1$ (at body center)

So the formula of compound is $=$ XY.