p-Block Elements-I - Result Question 23-1
23. Diamond is harder than graphite.
(1993, 1M)
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Answer:
Correct Answer: 23. (True)
Solution:
- Graphite has a layered structure of hexagonal carbon rings stacked one over other which makes it slippery.
On the other hand, in diamond, each carbon is tetrahedrally bond to other four carbons extended in three dimensional space, giving a giant, network structure. Due to this reason, diamond is harder than graphite.
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