8) The 'H and "C NMR spectra of a compound with the formula CHoBr are shown below. Pr a structure for this molecule and assign the peaks in the spectra. TMS 10 9 0 ppm Chemical shift (5) TMS 200 180 16010 120 10806040 20 ppm Chemical shift (8) 9) The mass spectrum and 13C NMR spectrum of a hydrocarbon are shown below. Propose a structure for this hydrocarbon and explain your answer based on the spectral data. 100 80 60 40 20 10 20 40 60 80 100 120 140 TMS 180__160- ã ¡ã ¡ 100ã ¡ã ¡ 80- -40- 20 200 140 120 60 0 ppm Chemical shift (6)