After taking a mass spectrum on an unknown compound you found in the lab, you determined that the molecular formula was C7H8. Calculate the degrees of unsaturation for this unknown.
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- What fragments might you expect in the mass spectra of the following compounds?The mass spectrum of Compound D, with a molecular formula C8H7BrO2 is shown below. Calculate the degree of unsaturation of Compound D. What information can be obtained from the calculated degree of unsaturation?The mass spectrum of Compound D, with a molecular formula C8H7BrO2 is shown below. Identify and draw the structure of Compound D.
- Propose a reasonable molecular formula for a compound with a degree of unsaturation and that in its mass spectrum shows a signal for the molecular ion at m / z = 100Identify the fragments in this mass spectrum of 2,2-dimethylbutaneA molecule produces an IR spectrum with key peaks at approximately 3300 and 2100 cm⁻¹. The mass spectrum has a molecular ion with a m/z = 68, and major fragment with m/z of 39. Draw a structure that best fits this data.
- The mass spectrum of an alkene, C8H16, exhibits a peak at m/z = 41. Draw two isomers that are consistent with these data.The base peak in the mass spectrum of an alkane, C7H16, appears at m/z =57. Draw a molecule that is consistent with these data.The mass spectrum of compound A shows the molecular ion at m/z 85, an M + 1 peak at m/z 86 of approximately 6% abundance relative to M, and an M + 2 peak at m/z 87 of less than 0.1% abundance relative to M. Q.) Draw at least ten possible structural formulas for this molecular formula.
- Assign molecules A, E, G, and H to the correct mass spectrum and provide the structure of thebase peak.The mass spectrum of Compound H, with a molecular formula C8H9NO is shown below. 1.Calculate the degree of unsaturation of Compound H. What information can be obtained from this calculated value? 2.Draw the most likely species responsible for the signals at the base peak. 3.Identify and draw the structure of Compound H.Predict the masses and the structures of the most abundant fragments observed in the mass spectra of the followingcompounds.(a) 2-methylpentane