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Which of the following are correct about the voids formed in three-dimensional hexagonal close-packed structure?
  • a)
    A tetrahedral void is formed when a sphere of the second layer is present above triangular void in the first layer
  • b)
    All the triangular voids are not covered by the spheres in the second layer
  • c)
    Tetrahedral voids are formed when the triangular voids in the second layer lie above the triangular voids in the first layer
  • d)
    Octahedral voids are formed when the triangular voids in the second layer exactly overlap with similar voids in the first layer
Correct answer is option 'A,B'. Can you explain this answer?
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Which of the following are correct about the voids formed in three-dim...
(a, b)
(a) A tetrahedral void is formed when a sphere of a second layer is placed above triangular void in the first layer thus, correct.
(b) All the triangular voids are not covered by this arrangement thus, correct.
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Which of the following are correct about the voids formed in three-dim...
Void Formation in Three-Dimensional Hexagonal Close-Packed Structure

A three-dimensional hexagonal close-packed structure is formed when spheres are arranged in a close-packed arrangement in three dimensions. In this structure, voids are formed between the spheres. These voids can be classified into two types: tetrahedral voids and octahedral voids.

Tetrahedral Voids

A tetrahedral void is formed when a sphere of the second layer is present above a triangular void in the first layer. This type of void is called a tetrahedral void because it is shaped like a tetrahedron, which is a four-sided pyramid.

All the triangular voids are not covered by the spheres in the second layer. This means that some of the triangular voids in the first layer will remain empty, forming tetrahedral voids.

Octahedral Voids

Octahedral voids are formed when the triangular voids in the second layer exactly overlap with similar voids in the first layer. This type of void is called an octahedral void because it is shaped like an octahedron, which is an eight-sided figure.

Conclusion

In summary, voids are formed in a three-dimensional hexagonal close-packed structure between the spheres. These voids can be classified into two types: tetrahedral voids and octahedral voids. Tetrahedral voids are formed when a sphere of the second layer is present above a triangular void in the first layer, and not all the triangular voids are covered by the spheres in the second layer. Octahedral voids are formed when the triangular voids in the second layer exactly overlap with similar voids in the first layer.
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Which of the following are correct about the voids formed in three-dim...
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Which of the following are correct about the voids formed in three-dimensional hexagonal close-packed structure?a)A tetrahedral void is formed when a sphere of the second layer is present above triangular void in the first layerb)All the triangular voids are not covered by the spheres in the second layerc)Tetrahedral voids are formed when the triangular voids in the second layer lie above the triangular voids in the first layerd)Octahedral voids are formed when the triangular voids in the second layer exactly overlap with similar voids in the first layerCorrect answer is option 'A,B'. Can you explain this answer?
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Which of the following are correct about the voids formed in three-dimensional hexagonal close-packed structure?a)A tetrahedral void is formed when a sphere of the second layer is present above triangular void in the first layerb)All the triangular voids are not covered by the spheres in the second layerc)Tetrahedral voids are formed when the triangular voids in the second layer lie above the triangular voids in the first layerd)Octahedral voids are formed when the triangular voids in the second layer exactly overlap with similar voids in the first layerCorrect answer is option 'A,B'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Which of the following are correct about the voids formed in three-dimensional hexagonal close-packed structure?a)A tetrahedral void is formed when a sphere of the second layer is present above triangular void in the first layerb)All the triangular voids are not covered by the spheres in the second layerc)Tetrahedral voids are formed when the triangular voids in the second layer lie above the triangular voids in the first layerd)Octahedral voids are formed when the triangular voids in the second layer exactly overlap with similar voids in the first layerCorrect answer is option 'A,B'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following are correct about the voids formed in three-dimensional hexagonal close-packed structure?a)A tetrahedral void is formed when a sphere of the second layer is present above triangular void in the first layerb)All the triangular voids are not covered by the spheres in the second layerc)Tetrahedral voids are formed when the triangular voids in the second layer lie above the triangular voids in the first layerd)Octahedral voids are formed when the triangular voids in the second layer exactly overlap with similar voids in the first layerCorrect answer is option 'A,B'. Can you explain this answer?.
Solutions for Which of the following are correct about the voids formed in three-dimensional hexagonal close-packed structure?a)A tetrahedral void is formed when a sphere of the second layer is present above triangular void in the first layerb)All the triangular voids are not covered by the spheres in the second layerc)Tetrahedral voids are formed when the triangular voids in the second layer lie above the triangular voids in the first layerd)Octahedral voids are formed when the triangular voids in the second layer exactly overlap with similar voids in the first layerCorrect answer is option 'A,B'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 12. Download more important topics, notes, lectures and mock test series for Class 12 Exam by signing up for free.
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