Question 1
Which of the compounds give shows absorptions at 1640 cm
-1, 2950 cm
-1 and 3050 cm
-1 on the IR spectrum?

◦ I
◦ II
◦ III
◦ IV
◦ V
Question 2
What is a possible structure for a compound with molecular formula C
6H
10O that shows absorptions at 1720 cm
-1 and at 2980 cm
-1 on the IR spectrum?

◦ I
◦ II
◦ III
◦ I and II
◦ I, II, and III