Chem 1120 Quiz 2 Key

1. 
   

   1,4-pentadiene: dispersion forces (C-C double bonds are not polar)
   1-fluoropropane: dispersion forces, dipole-dipole interactions
   2-methyl-2-hexanol: dispersion forces, dipole-dipole interactions, hydrogen bonding
   1,1-dimethylcyclopentane: dispersion forces
   pentanal: dispersion forces, dipole-dipole interactions
   butanoic acid: dispersion forces, dipole-dipole interactions, hydrogen bonding

2. The dbe = 3 for a compound with this molecular formula.

   3 C-C db	1 C-C db, 1 C-C tb	1 C-N db, 2 C-C db
   2 C-C db, 1 ring	1 ring, 1 C-C tb	1 C-N db, 1 C-C db, 1 ring
   1 C-C db, 2 rings	1 C-N tb, 1 C-C db	1 C-N db, 2 rings
   3 rings	1 C-N tb, 1 ring	1 C-N db, 1 C-C tb

3. 
   

   ZZZ	ZEE
   ZZE	EZE
   ZEZ	EEZ
   EZZ	EEE

4. 
5. 
6.