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The compound formed by elements X and Y crystallizes in a cubic structure in which X atoms are at the corners of the cube and Y atoms are at the face centres. The formula of the compound is
- a)XY₃
- b)X₃Y
- c)XY
- d)XY₂
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
The compound formed by elements X and Y crystallizes in a cubic struct...
X = 1/8 *number of corner atoms. X= 1/8 * 8. X = 1.
Y = 1/2 * number of faces. Y = 1/2 * 6. Y =3
therefore formula is X1Y3
Y = 1/2 * number of faces. Y = 1/2 * 6. Y =3
therefore formula is X1Y3
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The compound formed by elements X and Y crystallizes in a cubic struct...
Explanation:
Cubic Structure:
A cubic structure is a type of crystal structure where the atoms or ions are arranged in a face-centered cubic (FCC) or body-centered cubic (BCC) arrangement. In a face-centered cubic (FCC) structure, the atoms are positioned at the corners and the face centers of the cube.
Given Information:
In the given compound, the element X is present at the corners of the cube and the element Y is present at the face centers.
Formula of the Compound:
The formula of the compound can be determined by counting the number of atoms of each element in the unit cell of the crystal structure.
Number of X atoms in the unit cell = 8 (corners of the cube)
Number of Y atoms in the unit cell = 6 (face centers of the cube)
Hence, the ratio of X to Y in the compound is 8:6 or 4:3.
The formula of the compound is represented as XY because X and Y are present in a 1:1 ratio in the compound.
Therefore, the correct answer is option A) XY.
Cubic Structure:
A cubic structure is a type of crystal structure where the atoms or ions are arranged in a face-centered cubic (FCC) or body-centered cubic (BCC) arrangement. In a face-centered cubic (FCC) structure, the atoms are positioned at the corners and the face centers of the cube.
Given Information:
In the given compound, the element X is present at the corners of the cube and the element Y is present at the face centers.
Formula of the Compound:
The formula of the compound can be determined by counting the number of atoms of each element in the unit cell of the crystal structure.
Number of X atoms in the unit cell = 8 (corners of the cube)
Number of Y atoms in the unit cell = 6 (face centers of the cube)
Hence, the ratio of X to Y in the compound is 8:6 or 4:3.
The formula of the compound is represented as XY because X and Y are present in a 1:1 ratio in the compound.
Therefore, the correct answer is option A) XY.
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The compound formed by elements X and Y crystallizes in a cubic structure in which X atoms are at the corners of the cube and Y atoms are at the face centres. The formula of the compound isa)XYb)XYc)XYd)XYCorrect answer is option 'A'. Can you explain this answer?
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