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categoryالكيمياء schoolبكالوريوس event_available2026-07-15

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Q3. Have a look on the following spectra of the given compound and assign the peaks. Fill in the tables. 2.4 2.99 2.2 3.04 2.0 2.4 1.4 1.4 2.2 2.0 2.96 Protons Integration Chemical shift S(ppm) 1 3 2 3 2 3 Multiplicity (singlet, doublet, ....) Account for the difference in chemical shift of both 1 and 3 hydrogens. Intensity C 208.76 о CH3CCH2CH3 1 23 4 200 180 160 140 120 TMS 80 60 40 20 0 ppm 100 Chemical shift (8) Carbons Chemical shift 8(ppm) 1 2 3 4 The most downfield carbon is ? Why?

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