For the following problems, assign the chemical structure that corresponds to the data. Write out your analysis of each part of the data for partial credit. 6) Molecular formula: C10H11BrO Major IR absorptions: 1633cm1 sharp medium 1708cm1 strong sharp 2971cm1 strong sharp 2938cm1 medium sharp 2910cm1 medium sharp 3100cm1 sharp strong 13C-NAMR. 1HNMR 1.102(6H,d,J=7.033),7.653(1H,m,J=7.033),7.653(2H,d,J=8.669)7.911(2H,d,J=8.669)