Q3: A)you have the below compound, Draw the suspected chemical shifts with the splitting? (5 marks) CH3 CHS Q3:B) At about -60 C, [18]annulene NMR spectrum (see picture) has two sets of chemical shifts. The protons outside the ring are strongly deshielded (8=9.3) ppm and those inside are strongly shielded (8=-3.0) ppm even more than TMS. Give a proper explanation? (5marks)