Group 14 - Carbon Family
Which allotrope of carbon has sp² hybridization?
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About This Question
- Subject
- chemistry
- Chapter
- p-block elements
- Topic
- group 14 - carbon family
- Difficulty
- Medium
- Year
- 2025
Solution
Correct Answer:
Both graphite and fullerene
Carbon Allotropes differ in their atomic arrangement and hybridization:
- Diamond: Every carbon atom is sp3 hybridized and bonded to four other carbons in a rigid 3D tetrahedral structure.
- Graphite: Each carbon is sp2 hybridized, forming two-dimensional hexagonal layers. The fourth electron is in a π orbital, which is delocalized (explaining conductivity).
- Fullerenes (C60): These 'buckyballs' also consist of sp2 hybridized carbons arranged in a spherical cage of hexagons and pentagons.
This medium difficulty chemistry question is from the chapter p-block elements, covering the topic of group 14 - carbon family. It appeared in the 2025 exam.
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