Question 1
Ibuprofen is used as an analgesic for the relief of pain, and also to help reduce fever. What is the hybridization state of oxygen indicated by the arrow in the structure of ibuprofen shown below?

◦
sp◦
sp2◦
sp3◦
sp3d◦
sp3d2Question 2
In which of the following would the bonding be
strengthened with the addition of an electron to form the negative molecular ion?
◦ N
2◦ O
2◦ F
2◦ all of these
◦ none of these