The spectrum provided has signals representing five sets of equivalent hydrogens. How many neighbors does each hydrogen have? (e) (d) (a) (b) ( | 2.00 1.95 1.90 1.85 (c) 1.97 1.92 1.04 2.89 5.85 4.0 3.5 3.0 1.5 1.0 2.5 2.0 Chemical shift, 8 (ppm) Match the items in the left column to the appropriate blanks in the sentences on the right. Reset Help singlet labeled (a) is caused by the observed proton being split by ( neighboring proton(s). doublet triplet labeled (b) is caused by the observed proton being split by neighboring proton(s). quartet quintet labeled (c) is caused by the observed proton being split by neighboring proton(s). nonet 1 1 labeled (d) is caused by the observed proton being split by neighboring proton(s). 2 3 AD labeled (e) is caused by the observed proton (e) being split by neighboring proton(s). 4 5 6 8 9 9