alleryWhat is the IUPAC root word used for a parent chain containing six carbon atoms?
AHex-
BPent-
CHept-
DOct-
Answer & Solution
Correct answer: A. Hex-
1. The root word depends only on the number of carbons in the parent chain.
2. Five carbons give Pent-, seven give Hept-, eight give Oct-.
3. Six carbons give the root word Hex-.
4. Hence the answer is Hex-.
_Source: Samacheer Kalvi (TN SCERT) Class 10 Science, Unit 11 "Carbon and its Compounds", p.167_
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