Question

Write down the value of two characteristic frequencies for each of the following compounds. I) C6H5-Ctriple bond CH

II) CH3-CH=CH-CHOH-CH3

III) CH3-CH2-CHO

Answer 1

1) 3340—3250, 3080—3030

2) 1690—1635, 1125—1000

3) 3000—2840, 1765—1645