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NTA Abhyas NEET2020Chemistryp Block Elements (Group 13 & 14)Practice

Which of the following statements is not correct regarding diamond and graphite?

Options

  1. AIn diamond, each carbon atom is covalently bonded to four other carbon atoms
  2. BIn graphite, each carbon atim is covalently bonded to three other carbon atoms in the same plane
  3. CThe C - C bond length in graphite is intermediate between single and double bond distance
  4. DDiamond is a layered structure, the two layers joined by Van der Waals' forces

Correct answer

D. Diamond is a layered structure, the two layers joined by Van der Waals' forces

Step-by-step solution

Diamond has a three dimensional rigid structure. In this each carbon atom shares its electrons with four other carbon atoms forming four covalent bonds. Hence statement D is incorrect.

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