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Type of Hydrocarbon?. Name the hydrocarbon. 1. C3H8 propane 2. C5H8 pentyne 3. C2H4 ethene 4. C7H16 heptane 5. C4H10 butane 6. C8H16 octene 7. C9H16 nonyne 8. C10H22 decane Write the molecular formula for the following: 9. C4H8 butene 10. C8H14 octyne 11. C3H6 propene
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Type of Hydrocarbon? • Name the hydrocarbon. • 1. C3H8 propane • 2. C5H8 pentyne • 3. C2H4 ethene • 4. C7H16 heptane • 5. C4H10 butane • 6. C8H16 octene • 7. C9H16 nonyne • 8. C10H22 decane • Write the molecular formula for the following: • 9. C4H8 butene • 10. C8H14 octyne • 11. C3H6 propene • 12. C5H12 pentane • 13. C9H18 nonene • 14. C2H2 ethyne • 15. C6H10 hexyne
Naming (Nomenclature) Organic Molecules • Suffix identifies the group that the molecule belongs to. Any hydrocarbon that ends in “-ane” is an alkane. • The prefix identifies the number of carbons in the longest chain in the molecule. Find the longest continuous carbon chain in the molecule and use the hydrocarbon name of this chain as the base name. • Table P • The longest chain may not be the straightest chain. Circle and name the longest chain 2 4 1 3 5 2 2 methyl butane 2,2 dimethyl, 3 ethyl pentane