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The compound formed by elements X and Y crystallizes in cubic structure in which X atoms are at the corners of the cube and Y atoms are at the face centre . The formula of the compound is
- a)XY2
- b)XY
- c)XY3
- d)X3Y
Correct answer is option 'C'. Can you explain this answer?
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The compound formed by elements X and Y crystallizes in cubic structur...
Explanation:
The given compound has a cubic structure in which X atoms are at the corners and Y atoms are at the face center. This means that the unit cell of the compound contains one X atom and one Y atom.
To find the formula of the compound, we need to determine the ratio of X and Y atoms in the unit cell.
Ratio of X atoms:
There is one X atom at each of the eight corners of the cube. Therefore, the contribution of X atoms to the unit cell is 1 x 1/8 = 1/8.
Ratio of Y atoms:
There is one Y atom at the center of each face of the cube. There are six faces in a cube. Therefore, the contribution of Y atoms to the unit cell is 1 x 6/8 = 3/4.
Ratio of X to Y atoms:
To get the ratio of X to Y atoms, we need to divide the contribution of X atoms by the contribution of Y atoms.
(X atoms)/(Y atoms) = (1/8)/(3/4) = 1/6
This means that the formula of the compound is XY3, as there is one X atom for every three Y atoms in the compound.
Therefore, the correct answer is option C, XY3.
The given compound has a cubic structure in which X atoms are at the corners and Y atoms are at the face center. This means that the unit cell of the compound contains one X atom and one Y atom.
To find the formula of the compound, we need to determine the ratio of X and Y atoms in the unit cell.
Ratio of X atoms:
There is one X atom at each of the eight corners of the cube. Therefore, the contribution of X atoms to the unit cell is 1 x 1/8 = 1/8.
Ratio of Y atoms:
There is one Y atom at the center of each face of the cube. There are six faces in a cube. Therefore, the contribution of Y atoms to the unit cell is 1 x 6/8 = 3/4.
Ratio of X to Y atoms:
To get the ratio of X to Y atoms, we need to divide the contribution of X atoms by the contribution of Y atoms.
(X atoms)/(Y atoms) = (1/8)/(3/4) = 1/6
This means that the formula of the compound is XY3, as there is one X atom for every three Y atoms in the compound.
Therefore, the correct answer is option C, XY3.
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The compound formed by elements X and Y crystallizes in cubic structure in which X atoms are at the corners of the cube and Y atoms are at the face centre . The formula of the compound isa)XY2b)XYc)XY3d)X3YCorrect answer is option 'C'. Can you explain this answer? for Chemistry 2025 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about The compound formed by elements X and Y crystallizes in cubic structure in which X atoms are at the corners of the cube and Y atoms are at the face centre . The formula of the compound isa)XY2b)XYc)XY3d)X3YCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Chemistry 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The compound formed by elements X and Y crystallizes in cubic structure in which X atoms are at the corners of the cube and Y atoms are at the face centre . The formula of the compound isa)XY2b)XYc)XY3d)X3YCorrect answer is option 'C'. Can you explain this answer?.
The compound formed by elements X and Y crystallizes in cubic structure in which X atoms are at the corners of the cube and Y atoms are at the face centre . The formula of the compound isa)XY2b)XYc)XY3d)X3YCorrect answer is option 'C'. Can you explain this answer? for Chemistry 2025 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about The compound formed by elements X and Y crystallizes in cubic structure in which X atoms are at the corners of the cube and Y atoms are at the face centre . The formula of the compound isa)XY2b)XYc)XY3d)X3YCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Chemistry 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The compound formed by elements X and Y crystallizes in cubic structure in which X atoms are at the corners of the cube and Y atoms are at the face centre . The formula of the compound isa)XY2b)XYc)XY3d)X3YCorrect answer is option 'C'. Can you explain this answer?.
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