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UPSC CDS 2 2019 GK Paper
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© examsnet.com
Question : 113
Total: 119
In graphite, each carbon atom is bonded to three other carbon atoms
[2019 CDS-II]
forming a three-dimensional structure
in the same plane giving a hexagonal array
in the same plane giving a square array
in the same plane giving a pentagonal array
Validate
Solution:
(b) In graphite, each carbon atom is bonded to three other carbon atoms in the same plane given a hexagonal array. The fourth electron of each carbon atom is free.
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