Propose structures for the compound C5H10O whose 1H NMR spectra is below Chem. Rel. shift area 0.95 1.50 1.64 1.00 2.17 1.50 2.46 1.00 TMS 10 8 7 6 4 1 O ppm Chemical shift l8). Intensity

Payalben

asap with explanation

A molecule of the molecular formula C5H11Br gives rise to the NMR spectrum below. When reacted with NaOH and water, it forms a product which by NMR has 2 protons 1H at 5.4 ppm and 1H at 5.5 ppm each having a J coupling of 17 Hz. (other protons also present) The product also has an IR stretch at 1550 cm1. Provide the structures of the starting material (1 pt) and product (2 pts) NaOH H20 C5H1,Br 6H triplet 4H quintet 1H quintet 10 8 7 6. 4 3 1 HSP-06-347 ppm

Please identify Molecule A, formed from the reaction shown, from the 13C NMR spectra shown. All peaks below are single peaks (no overlapping peaks). Inset is an expansion of the downfield section of the spectra.

1. How many proton signals would you expect to see in the ¹H-NMR spectrum of the following molecule? For each of the proton signals, predict the splitting pattern, assuming that you can see only 3-bond splitting.

14. Propose structure for a compound, C9H₁1Br that fits the following ¹H NMR data: 2.15 8 (2H, quintet) 2.75 8 (2H, triplet) 3.38 8 (2H, triplet) 7.22 8 (5H, singlet)