Looking at the geometry of the given compounds, determine each as E, Z,or neither.

• A. a. E isomer
  b. E isomer
  c. Neither E nor Z
  d. E isomer
• B. a. Z isomer
  b. Z isomer
  c. Neither E nor Z
  d. E isomer
• C. a. E isomer
  b. Z isomer
  c. E isomer
  d. Neither E nor Z
• D. a. Z isomer
  b. Z isomer
  c. Z isomer
  d. E isomer

Answer: (B)