Write IUPAC names for the following alkenes.

a. (CH₃CH₂)₂CH—CH₂—CH=CH₂
b. CH₃—CH₂—CH₂—C(CH₂)—CH₂—CH₂—CH₃

• A. a. 4-ethylhex-1-ene
  b. 4-methyhept-1-ene
• B. a. 4,4-diethylbut-1-ene
  b. 2-propylpent-1-ene
• C. a. 4-ethyl-1-hexene
  b. 2-ethyl-1-pentene.
• D. a. 4-ethylhex-1-ene
  b. 2-propylpent-1-ene

Answer: (D)