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Diamond and graphite are made only of carbon atoms. How are they classified?
AThey are not organic compounds
BThey are organic compounds
CThey are organic polymers
DThey are organic acids
Answer & Solution
Correct answer: A. They are not organic compounds
1. Every organic molecule contains carbon, but not every carbon compound is organic.
2. Carbon monoxide, carbon dioxide, carbonates, carbides and cyanides are all left outside the definition.
3. Diamond and graphite are pure carbon compounds and are also left outside it.
4. So neither of them counts as an organic compound.
_Source: Siyavula Physical Sciences Grade 12 (Everything Science, CC BY 4.0), Chapter 4: Organic molecules_
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