- Diamond has a 3D tetrahedral structure where each carbon atom is covalently bonded to four other carbon atoms by single bonds (sp³ hybridization). - Graphite has a layered structure. Each layer consists of carbon atoms arranged in hexagonal rings, with strong covalent bonds (sp² hybridization) within the layer. - The layers in graphite are held together by relatively weak van der Waals forces. This allows the layers to slide easily over each other, giving graphite its properties as a lubricant and its softness.
Which one of the following statements is not correct?
Asked in UPSC NDA 2 2018 · UPSC NDA 2 2020 · Topic: Carbon and Its Various Forms (Graphite: Structure, properties, and uses (including electrical conductivity))
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Answer: D. Graphite layers are held together by carbon- carbon single bond.
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