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Which of the units given can be used to build the structure of covalent crystal, diamond:
- a)Tetrahedral
- b)Octahedral
- c)Hexagonal
- d)Cubic
Correct answer is option 'A'. Can you explain this answer?
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Which of the units given can be used to build the structure of covalen...
Diamond and Graphite, Two allotropes of carbon are covalent network solids which differ in the bonding geometry of the carbon atoms.
In diamond, the bonding occurs in the tetrahedral geometry, while in graphite the carbons bond with each other in the trigonal planar arrangement. This difference accounts for the drastically different appearance and properties of these two forms of carbon.
Diamond is also an allotrope of carbon. Diamond is the hardest material known, defining the upper end of the 1-10 scale known as Moh’s hardness scale. Diamond cannot be melted; above 1700 deg C it is converted to graphite, the more stable form of carbon. The diamond unit cell is face-centered cubic and contains eight carbon atoms.
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Which of the units given can be used to build the structure of covalen...
Building the Structure of Diamond
Diamond is a covalent crystal, which means that it is made up of atoms that are covalently bonded to each other in a three-dimensional structure. The structure of diamond is based on the tetrahedral unit.
Tetrahedral Unit
The tetrahedral unit is a four-sided pyramid, or tetrahedron, with each side made up of a single atom. In diamond, each carbon atom forms four covalent bonds with other carbon atoms, creating a tetrahedral unit. The tetrahedral units then link together to form a three-dimensional network.
Other Units
The other units given, octahedral, hexagonal, and cubic, do not have the necessary geometry to form the structure of diamond. Octahedral units have six sides, hexagonal units have six sides in a flat shape, and cubic units have eight sides. None of these shapes are able to form the tetrahedral network required for diamond.
Conclusion
In conclusion, the correct unit for building the structure of diamond is the tetrahedral unit. This shape allows for the formation of a three-dimensional network of covalent bonds between carbon atoms.
Diamond is a covalent crystal, which means that it is made up of atoms that are covalently bonded to each other in a three-dimensional structure. The structure of diamond is based on the tetrahedral unit.
Tetrahedral Unit
The tetrahedral unit is a four-sided pyramid, or tetrahedron, with each side made up of a single atom. In diamond, each carbon atom forms four covalent bonds with other carbon atoms, creating a tetrahedral unit. The tetrahedral units then link together to form a three-dimensional network.
Other Units
The other units given, octahedral, hexagonal, and cubic, do not have the necessary geometry to form the structure of diamond. Octahedral units have six sides, hexagonal units have six sides in a flat shape, and cubic units have eight sides. None of these shapes are able to form the tetrahedral network required for diamond.
Conclusion
In conclusion, the correct unit for building the structure of diamond is the tetrahedral unit. This shape allows for the formation of a three-dimensional network of covalent bonds between carbon atoms.
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Which of the units given can be used to build the structure of covalen...
I can see in the comment section most people says Tetrahedral but it's Cubic crystal structure similar to ZnS structure. please don't mix Chemical bonding into this
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Which of the units given can be used to build the structure of covalent crystal, diamond:a)Tetrahedralb)Octahedralc)Hexagonald)CubicCorrect answer is option 'A'. Can you explain this answer?
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Which of the units given can be used to build the structure of covalent crystal, diamond:a)Tetrahedralb)Octahedralc)Hexagonald)CubicCorrect answer is option 'A'. Can you explain this answer? for Chemistry 2024 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about Which of the units given can be used to build the structure of covalent crystal, diamond:a)Tetrahedralb)Octahedralc)Hexagonald)CubicCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Chemistry 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the units given can be used to build the structure of covalent crystal, diamond:a)Tetrahedralb)Octahedralc)Hexagonald)CubicCorrect answer is option 'A'. Can you explain this answer?.
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