12. A compound shows a strong infrared absorption at 1100 cm, but no absorption a 3300 to 3400 cm. Its 'H NMR spectrum has sharp singlet peaks at & 1.3 and 4.0 ppm (intensity 3:2). Its proton decoupled 1BC NMR spectrum shows three peaks at 8 20, 68 and 98 ppm. Circle the structure of the compound.

12. A compound shows a strong infrared absorption at 1100 cm, but no absorption a 3300 to 3400 cm. Its 'H NMR spectrum has sharp singlet peaks at & 1.3 and 4.0 ppm (intensity 3:2). Its proton decoupled 1BC NMR spectrum shows three peaks at 8 20, 68 and 98 ppm. Circle the structure of the compound.

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter19: Aldehydes And Ketones: Nucleophilic Addition Reactions

Section19.SE: Something Extra

Problem 87AP: The proton NMR spectrum for a compound with formula C10H12O2 is shown below. The infrared spectrum...

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NMR Spectroscopy

NMR stands for Nuclear Magnetic Resonance in which the study of different molecules is done based on the interaction of radiofrequency electromagnetic radiations with the nuclei of molecules placed in a strong magnetic field. A precise study of spectra of visible light and all bands of electromagnetic radiation is called spectroscopy.

Question

12. A compound shows a strong infrared absorption at 1100 cm, but no absorption at
3300 to 3400 cm. Its 'H NMR spectrum has sharp singlet peaks at & 1.3 and 4.0
ppm (intensity 3:2). Its proton decoupled 1°C NMR spectrum shows three peaks at 8
20, 68 and 98 ppm. Circle the structure of the compound.
CS Scanned with CamScanner

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