Question : 36. What the IUPAC name for di-sec-butylacetylene? A. 2-ethyl-5-methyl-3-heptyne B. 2,7-dimethyl-4-octyne C. 3,6-dimethyl-4-octyne D. : 2097246

36. What is the IUPAC name for di-sec-butylacetylene?

A. 2-ethyl-5-methyl-3-heptyne

B. 2,7-dimethyl-4-octyne

C. 3,6-dimethyl-4-octyne

D. 2,5-diethyl-3-hexyne

E. 2,2,5,5-tetramethyl-3-hexyne

37. Draw all of the constitutionally isomeric alkynes with molecular formula C₅H₈.

38. Provide the IUPAC name for CH₃CH(CH₃)C(CH₃)₂C?CCH(CH₃)₂.

39. Provide the IUPAC name for CH₃C?CC(CH₃)₂CH(CH₂CH₃)₂.

40. Provide the IUPAC name for CH₃CHBrC?C(CH₂)₃CH₃.