a) The infrared spectrum shown below in Figure 2 is either that of butan-2-ol or that of butanone. 100 m Transmittance/%

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A The Infrared Spectrum Shown Below In Figure 2 Is Either That Of Butan 2 Ol Or That Of Butanone 100 M Transmittance 1 (61.33 KiB) Viewed 9 times

a) The infrared spectrum shown below in Figure 2 is either that of butan-2-ol or that of butanone. 100 m Transmittance/% 50- 0-TTTTTT 3000 4000 1000 500 2000 1500 Wavenumber/cm! Figure 2 i) Identify the compound to which this infrared spectrum refers. Explain your answer. Refer to Table A on the Data Sheet. ii) (3 marks) b) NMR spectroscopy can be used to study the structures of organic compounds. Compound Z was studied using 'H NMR spectroscopy. CH3 CI-CH2-C-CH2-CH2-C1 CH3 Compound Z i) Give the number of peaks in the 'H NMR spectrum of Z. ii) Give the splitting pattern (multiplicity) of the protons labelled 'a'. (2 marks)