The infra-red spectra for three organic compounds are shown. Which three compounds could these be?
- Aspectrum 1: propanoic acid; spectrum 2: propanone; spectrum 3: propan-2-ol
- Bspectrum 1: propanone; spectrum 2: propanoic acid; spectrum 3: propan-2-ol
- Cspectrum 1: propanone; spectrum 2: propan-2-ol; spectrum 3: propanoic acid
- Dspectrum 1: propan-2-ol; spectrum 2: propanoic acid; spectrum 3: propanone