Question

Write down the values of two characteristic frequencies for each of the following compounds:

1.C6H6 - C≡CH

2.CH3- CH= CH- CH(-OH)- CH3

3.CH3- CH2- CH2 - CH(=O)

Answer 1

1. 3340—3250, 3080—3030
2. 1690—1635, 1125—1000
3. 3000—2840, 1765—1645