Question

Match the following spectral descriptions with one of the compounds shown below. A compound is NOT used more than once. [ Select] AC4HO2 compound has a strong IR absorption at 3300-3400 cm-1. The 1 H NMR spectrum has two singlets at 8 4.2 and 4.4 ppm: relative areas 4:2..The 13C spectrum shows 2 signals at 8 85 and 52 ppm. [ Select] AC7HO compound has a strong IR absorption at 1700 cm?, The H NMR spectrum has a singlet at 8 10.0, a doublet at 7.9 and triplets at 7.6 and 7.5 ppm, relative areas: 1:2:1:2. The 13C spectrum shows 5 signals above 8 100 ppm. [ Select] * AC14H22 compound has a strong IR absorption at 832 cm-1. The 1H NMR spectrum has 2 singlets at 87.3 and 1.3 ppm; relative areas: 2:9. The 13C NMR spectrum shows 4 signals at 8 148, 125, 34, and 31 ppm. [ Select) AC4H11 N compound has a strong IR absorption at 3500-3200 cm 1. The 1H NMR spectrum has a singlet at 8 1.4 and 1.1 ppm; relative areas: 2:9. The 13C NMR spectrum shows 2 signals at 8 47 and 33 ppm. [ Select) + AC3H120 compound has a strong IR absorption at 3400-3200 cm 1. The 1H NMR spectrum has 3 signals above 87 ppm and 2 singlets at 6 2.1 and 1.6 ppm; relative areas: 2:2:1:1:6. The 13C NMR spectrum shows 4 signals above 6 100 and signals at 872 and 32 ppm. [Select] * AC7H12 Compound has a characteristic IR absorption at 2175 cm 1. The 1H NMR spectrum has 2 singlets at 8 2.1 and 1.24 ppm, a triplet at 80.89 ppm and a quartet at 1.38 ppm; relative areas: 1:6:3:2. The 13C NMR spectrum shows 6 signals at 890,69, 34, 29,28,8 ppm.

Answer 1

A CHUGO2 compound has a strung IR absorption at 300 2400 crot, IHNMR two singlets at & 4.2 & 4. 4 ppm. 13 NMR shows 2 signals at 85 & 52 ppro. A (7 460 has ar at 1700 crit. HMMR ginglet at los. & other 3 peaks in groomatic region, 13cama shows speaks above 100 ppm. -C(CH₂) AC14H22 comp. IR at 300-320000 832 anos CHIRR, 2 singlets at 7.3 %. 13 CAMR, 4 signals at & 198, 125, 34, 31. टफिक A C4HIN has IR 8500-3200 cmt. PH NMR singlet at 1.48 -1 ppm 13 cmr, two signals at 47 & 33 ppm. NW A GH120, Ik at 3400-3200 cmt. In Amr, 3 signals above 7 pm & a signal at 2.1 & 1.6 ppm 13Camr, in signals above Iropom & signals at 72 & 32 ppm. R (7H22 IR at 2175 cmt. 14 nmr. a signals at 2.1 & 1.24 f & triplet & quartet 13C NMg 16 signals at & 9o, 69, 34, 29, 2818 ppm.