12) The compound whose proton NMR spectrum is shown below has the molecular formula C3H6Br2. Propose
a plausible structure.
4.00
2.01
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
13) A compound (C10H12O2), whose spectrum appears below was isolated from a reaction mixture containing
2-phenylethnaol and acetic acid. Propose a structure for this compound.
5.00
2.00
2.00
3.02
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
14) The compound whose proton NMR spectrum is shown has the molecular formula C4H7O2Cl and shows an
infrared absorption peak at 1740 cm^-1. Propose a plausible structure.
2.00
3.01
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0