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- The M+ peak for an alcohol in the mass spectrum is 74. Find the structure of the alcohol.The base peak in the mass spectrum of propanone (acetone) occurs at m/z 43. What cation does this peak represent?A compound gives a mass spectrum with essentially only three peaks at m/z = 77 (40%), 112 (100%), and 114 (33%). Identify the compound.
- The mass spectrum of an unknown compound has a molecular ion peak with a relative intensity of 54.77% and an M+1 peak of 6.66%. How many carbon atoms are in the compound? (Fill in an integer number)A compound has a mass spectrum that shows a 3:1 height ratio of its (M)** peak at m/z = 126 and its (M+2)** peak at m/z = 128. Which of the compounds below is consistent with this data? O O O CI Br None of the choices are correct. oThe mass spectrum of pentane (MW=72 g/mol) is given below. Which peak is for molecular ion peak, A or B?
- A compound containing only carbon, nitrogen, oxygen, and hydrogen contains four carbon atoms. If the M+ peak in its mass spectrum appears at m/z = 87, then how many nitrogen atoms does it contain?Elucidate the following Mass spectrum and identify the unknown compound30. (6) Determine four molecular formulas for a compound with a mass spectrum of 180: 182 (M: M+2) in a 3:1 ratio. (b) Calculate DBEs for each formula.