oice 4. Which of the following structures is consistent with the mass spectrum shown below? Briefly...
The mass spectrum of 2,6-dimethylheptan-4-ol is shown in appendix A. a) Draw the structure of this compound. b) Propose structures for the fragments at m/z 87, 111 and 126. 100 80 60 abundance 40 87 20 111 126 0 10 III 100'110' 120' 130 140 150 160 20 30 40 50 60 70 80 90 m/z.
16) Whidh of the following structures is consistent with the mass spectrum shown below? 100 0 10 2 30 40 50 6070 8 100 A) B) D)
16) Whidh of the following structures is consistent with the mass spectrum shown below? 100 0 10 2 30 40 50 6070 8 100 A) B) D)
Please match the compound to its spectrum and explain
why
cpd 22 Spectrum A 100- 60 40 20 100 125 50 75 m/z Spectrum B 100 80- 60 40 20- 10 20 30 40 50 60 70 0 90 100 110 120 m/z (6 points) Match EOT Spectrum C 100- 80- 60 40 75 100 125 50 m/z Spectrum D 100 80 60- 40 20- 25 50 75 100 125 m/z Spectrum E 100 80 60 20 10 20 30...
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
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
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....
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...
I'm not sure how to do the three cationic
structures
b. The following mass spectrum corresponds to a ketone. Determine two possible molecular formulas and their corresponding degrees of unsaturation for the compound. Additionally, provide the cationic structures corresponding to the indicated ions in the table below. Hint: There are a few ketones that have this same mass. Be sure to provide a structure that is reasonable given a base peak at 43 m/z. M+ (amu) C. H and o...
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...
The mass spectrum of 3-bromopropanoic acid is shown below. Four peaks are labeled with A, B, C, and D. Select the label for the base peak(s). 45 55 18 26 on 10 20 30 40 50 60 70 80 90 100 MIZ 110 120 130 140 150 160 170 The mass spectrum of 3-bromopropanoic acid is shown below. Four peaks are labeled with A, B, C, and D. Select the label for the M peak(s) (unfragmented parent). 135 27 45...