Chapter 14, Problem 14.60P

Identify the structures of isomers E and F (molecular formula ${\text{C}}_{\text{4}}{\text{H}}_{\text{8}}{\text{O}}_{\text{2}}$). Relative areas are given above

each signal.

a. Compound E:IR absorption at $1743{\text{cm}}^{\text{-1}}$ b. Compound F:IR absorption at $1730{\text{cm}}^{\text{-1}}$