Question 1
What name or names are appropriate IUPAC names for CH
3CH(CH
3)C(CH
3)
2C≡CCH(CH
3)
2?
◦ 2,5,5,6-tetramethyl-3-heptyne
◦ 2,3,3,7-tetramethyl-4-heptyne or 2,3,3,7-tetramethylhept-4-yne
◦ 2,5,5,6-tetramethyl-3-heptyne or 2,5,5,6-tetramethylhept-3-yne
◦ 2,5,5,6-tetramethylhept-3-yne
◦ 2,3,3,7-tetramethyl-4-heptyne
Question 2
What name is an appropriate IUPAC name for CH
3C≡CC(CH
3)
2CH(CH
2CH
3)
2?
◦ 2-ethyl-3,3-dimethylhept-2-yne
◦ 5-ethyl-4,4-methylhept-2-yne
◦ 5-ethyl-4,4-methyl-2-heptyne
◦ 2-ethyl-3,3-dimethyl-3-heptyne
◦ 5-ethyl-4,4-dimethyl-2-heptyne
