please solve the all Question

2) What are the possible electronic transitions in UV-Vis spectroscopy? 3) Comment on the following graph. 4) What are the vibrational modes that lead to IR absorption? 5) Give reasons why? C=C bond stretching appears at 1650cm1 while CC bond appears at 1200cm1 at their IR spectra. 6) Practice on how to calculate max of different organic molecules using Woodward-Feiser's rule. 7) What will occur at a greater wavenumber? and why? a. C-O stretch or C=O stretch? b. C-H stretch or CH bend? c. C-H stretch or =CH stretch? d. C=O stretch of cyclohexanone or C=O stretch of cyclopentanone? e. C=O stretch of methyl vinyl ketone or C=O stretch of ethyl methyl ketone 8) Assuming that the force constants are the same, which will occur at a greater wavenumber? And why? a. CO stretch or CCl stretch? b. C-O stretch or CCl stretch