1. (15 points) By citing specific data, show that you could (or could not) distinguish between the two members of each pair of compounds by IR spectroscopy If you are aware of several significant distinguishing features, mention all of them. Give all references used to answer the question a) meta-ethylbenzaldehyde meta-ethylpropiophenone b) 2-chloroaniline 4-chloroaniline c) 2. (15 points) By citing specific data, show that you could (or could not) distinguish between the two members of each pair of compounds by Mass spectrometry. If you are aware of several significant distinguishing features, mention all of them. Give all references used to answer the question. a) 4,4-dimethylheptane 3,3-dimethylheptane