2. Below is the MS of 1-methoxypropane. Account for the peak at 45 m/z. Start with...
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
Assign a base peak, molecular ion peak (with m/z) and identify the structure. 100- MS-N-0025 Relative Intensity 10 2030 70 80 90 m /z rse Cha O a OOTW
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. Assign structures for the following molecules given the IR and EI-MS data below: (a) IR shows medium intensity peak at 1650 cm and C-H out-of-plane bending at 880 cm. 56 Relative Abundance M(84) uli 35 40 45 dll 25 30 LL 15 20 . Inlll 50 55 miz 60 65 70 75 80 85 90 (b) IR has a broad peak at 3370 cm and a strong peak at 1159 cm!. The M ion is absent. Relative Abundance (percent)...
Circle the molecular ion peak for the following MS spectrum and the m/z value for the molecular ion is _____________ 4. Circle the molecular ion peak for the following MS spectrum and the m/z value for the molecular ion is 42 pt) 100 80- 60- ? 40- 20- 10 20 30 40 50 m z
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...
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...
Problem A.1 Label the molecular ion, the base peak, and the M + 1 peak in the mass spectrum of pentane (CHO). 100 Relative abundance 50 06 0 10 20 30 40 60 70 80 50 m/z 90 100
Description: Shown below is an EI-MS spectrum for t-butyl chloride. 1) Clearly label the base peak in the spectrum. Draw the structure of the fragment the base peak corresponds to. 2) Is there a molecular ion present in the spectrum? If so, label the peak that corresponds to the molecular ion. 3) Is there any evidence that the following EI-MS spectrum represents a chlorine containing compound? If so, label the necessary peaks and explain briefly why there is sufficient evidence...
label each major peak with a molecular formula (including charge) label the molecular ion peak as "M+" (if present) label major peaks other than the molecular ion with three things: 1) the mass to charge ratio 2) the structure or formula for that charged fragment 3) another formula to show which fragment was lost by the molecular ion to form that ion Mass spec NEUTRAL COMPOUND 100- 80 2-6utanene 60 40 20- 75 60 65 70 35 40 45 10...