Mass Spec Diethyl Phthalate Mass Spectrum Relative Intensity m/z MS diethylphthalate (note: major m/z values of...
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...
MS ID a minimum of two fragments excluding M Relative Intensity M : mle Nitrogen: Yes/No Halogen(s): 50 100 IR Label the peaks that characterize the structure Functional Group(s): HNMR Label each peak with the type of hydrogen from the structure Molecular Structure: What is the structure of the molecule for Integrated Spectra Problem #1?. Deduce it by using the molecular mass (M+) and fragment information on the MS spectrum, the IR functional groups, and the information from the H-...
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...
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
Intensity MASS SPECTRAL DATA Unknown m/e Relative Intensity Mass Spectrum (мм) 90 18.4 0.83 92 0.09 29 90 I5 60 m/e 2. Based on the mass spectrum, do you think your compound has a nitrogen atom? Explain. Propose at least two molecular formulas based on the mass spectrum and calculate the exact mass of the parent ion. Is one of your formula more likely than the other? If so, explain. 3.
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...
Draw the mass spectrum for Vinyl Acetate: C4H6O2 a. Draw out the structure. b. Label the molecular ion peak and base peak. C. Assign structures to the fragment ion peaks at m/e 43, m/e 28 and m/e 15. 100 (43-Base Peak Relative Intensity 20 28 15 86 Mt TTT 20 60 100 120 160 140 mle
This is the mass spectrum of dichlorocyclohexylmethylsilane. Explain the relative intensity for peaks at m/e 196.0 (13.5), 197.0 (1.8), 198.0 (9.1),199.0 (1.1), 200.0 (1.7)and 201.0 (0.2) 1 00 - MS-IW-7601 C1 80 $i-CH3 60 40 mtt O 40 zO 60 140 160 180 200 100 1ZO m/z Relative Intensity This is the mass spectrum of dichlorocyclohexylmethylsilane. Explain the relative intensity for peaks at m/e 196.0 (13.5), 197.0 (1.8), 198.0 (9.1),199.0 (1.1), 200.0 (1.7)and 201.0 (0.2) 1 00 - MS-IW-7601 C1...
1. An unknown hydrocarbon has a molecular ion peak at m/z 84 with a relative intensity of 31.3. The M+1 peak has a relative intensity of 2.06 and the M+2 peak has a relative intensity of 0.08. What is the possible molecular formula of the compound?
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