A From the given spectral data, identiſy the compound and provide justífication for MS fragmentation, IR bands and identify the protons and provided NMR data : carbon from the Mol. formula :C5H100 Ms : m/z= 86 · 1, 71, 44 IR (liquid film) : 1728, 2822, 2960 (cm-1) 'H-NMR (8 : A =9.75, B =2:32, C=2.21, D=0.98 ppm

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