110 2. (1 points) The mass spectrum of 2-methyl-3-pentanol is shown below. Identify the fragments. 100- MS-NU-5456...
is is the mass spectrum of 2-pentanol. 100 MS-NW-8471 6 80 60 40 20 omt 10 20 30 40 60 70 80 50 m/z Provide a reasonable fragmentation pathway for the indicated fragments. Make sure that you discuss the relative intensity of the same fragments. | m/z 27.0 7.6 29.0 5.3 31.0 5.0 41.0 5.8 43.0 13.7 44.0 7.5 45.0 100.0 55.0 18.7 73.0 7.1
1. Consider the Mass Spectrum below to answer the following questions: MS-NU-S495 Relative Intensity 0- 10 prote 20 30 40 t 50 to 60 70 m/z 80 90 100 110 a. (1 point) What is the m/z of the molecular ion peak: b. (1 point) What is the m/z value of the base peak: c. (2 point) Explain why do we observe the peak at m/z = 114 d. (2 points) The molecular formula of this compound is C.HSX. Identify...
2. Match the electron impact (El) mass spectrum with the correct structure from the choices below. ectra of the following molecules (write the correct letter in the upper left-hand corner of the spectra). Draw the structure of the indicated fragments (*) A OH *(43) *(71) * (43) 100- MS-NU-O1 Relative Intensity Relative Intensity 10 20 30 40 50 70 80 90 100 10 30 40 60 70 50 /z 60 /z m m
Use the IR and MS data to elucidate the structures of the compounds below. Identify the M and other necessary peaks in the mass spectra below. Give the functional group responsible for the IR signals. IR: (1 709) sharp, strong (1607-1653) weak MS: ID 4 peaks 100- Relative Intensity orta pripreme 10 20 30 40 50 60 70 80 90 100 m/z 110 120 IR: (1753) strong (1602 - 1658) weak MS: ID 4 peaks 100 MS-NU-18 Relative Intensity 10...
15. The mass spectrum of a compound appears below. The molecular ion, M+1, and M+2 peaks have intensities of 100, 6.8, and 31.8 respectively. Use the information provided to determine the formula of the compound 100 MS-NW-5495 80 60 40 20 шшшl 110 10 20 30 40 50 60 70 80 90 100 m/z Relative Intensity 15. The mass spectrum of a compound appears below. The molecular ion, M+1, and M+2 peaks have intensities of 100, 6.8, and 31.8 respectively....
3. (1 point) Using the mass spectrum shown below determine the molar mass and the number of carbons in the compound. 100 MS-10-1329 Relative Intensity 40 10 20 30 40 60 70 80 50 m/2
sro Refer to the mass spectrum of 2-methylbutae shown below to za tebe 100- 80 60 Relative htensity 40 20 72 0 10 20 30 40 50 80 90 100 110 12 80 70 m/z The peak at a mz of represents the following species. -CH.CH
assign the base peak, molecular ion peak (with m/z) and identify the structure? please? :,) MS-NU-5499 Relative Intensity 10 15 20 25 30 50 55 60 65 70 75 35 1 40 45 m/z
2. Below is the MS of 1-methoxypropane. Account for the peak at 45 m/z. Start with the molecular ion. Use curved arrows to show movement of electrons. 4 pts Relative Intensity 0- 10 20 T 30 40 50 60 80 90 100 110 120 70 m/z
Identify 5 of the major peaks on each spectrum Liquid T MS 100 80 60 40- 20- M* 0 10 30 40 60 70 8 100 m/z