Question 1
An unknown compound displays the following IR,
1H NMR,
13C NMR and mass spectra. What is a reasonable structure for this compound?
SDBS
◦ I
◦ II
◦ III
◦ IV
◦ V
Question 2
Dienes with π bonds separated by exactly one σ bond are classified as ________.
◦ isolated
◦ cumulated
◦ skipped
◦ conjugated
◦ terminal