when the spectra used in this lab were obtained, your colleague had the followng chemicals and equipment: 300 mhz nmr nmr tubes test tubes di water disposable pipets solvents: chcl3, c6d12, and cdcl3 crc handbook (reference) use this information to answer questions 4 and 5. (4pts) 4. is there a solvent listed above that is inappropriate for nmr? explain.