Your individual unknown is one of the following compounds:

a) benzophenone

b) benzamide

c) benzoic acid

d) thymol

Identify which compound it is and discuss in detail how you identified it from the above spectra (not only tell me why you think it is what you say, but also why it is not the other three compounds). On the spectrum of the unknown, identify which peaks belong to the Nujol. NOTE: Nujol(Mineral oil) was used to prepare the unknown.

70 60 % Transmittance 50 40 30 2853.11 4000 3500 3000 2500 2000 Wavenumbers (cm-1) 1500 1000