100MS-NW-071780604020Problem 1: Determine the most likely compounds from the group provided based on the massspecs provided. The molecule ion is furthest to the right in these spectra, look out for anytelling signs about what elements may be involved.Possible CompoundsCINH2NCCN01020304050607080m/zBr

Step 1: finding themolecule Step 2: describing different peaks Step 3: Step 4:

Answered: 100 MS-NW-0717 80 60 40 20 Problem 1:…

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

ChapterL4: Proton (1h) Nmr Spectroscopy

Section: Chapter Questions

Problem 7E

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Following is the mass spectrum of bromocyclopentane. The molecular ion m/z 148 is of such low intensity that it does not appear in this spectrum. Assign structural formulas for the cations of m/z 69 and 41.
In mass spectrometry, there are patterns in the molecular ion region due to isotopic abundances. Identify the pattern that would correspond to a molecule containing one bromine and one chlorine. || |. A) I M+2 M+4 M Me2 B) II II IV C) II M+2 Me4 M-2 Me4 D) IV E) V M+2 Me4
Which atom do you expect is present in this spectrum? 100 Rel. Intensity 80 60 60 10 40 20 20 0.0 0.0 15 30 45 60 60 m/z NIST Chemistry WebBook (https://webbook.nist.gov/chemistry) O Only hydrocarbons O Bromine O Chlorine ○ Nitrogen 75 90
Which of the following statements is correct? O A. Atomic emission detector is suitable for analyzing hydrocarbon compounds. B. The best carrier gas for a thermal conductivity detector is nitrogen. O C. Chlorine containing compounds are best analyzed by using an electron capture detector. O D. Equimolar amount of C6H14 and C3H8 should produce the same signals using a flame ionization detector. O E. Mass spectrometry detector is nondestructive.
Which atom do you expect is present in this spectrum? 100 Rel. Intensity 80 60 60 40 40 20 20 0.0 0.0 15 30 45 60 75 90 m/z NIST Chemistry WebBook (https://webbook.nist.gov/chemistry) Only hydrocarbons Bromine Chlorine O Nitrogen
I really need help analyzing and interpreting these spectra to find a chemical formula and compound structure!
4. Halogenated compounds are particularly easy to identify by their mass spectra because chlorine and bromine occur naturally as mixtures of two abundant isotopes. Chlorine occurs as "CI (75.8%) and "CI (24.2%). Ignore the presence of "C isotopes. For the compound, C,H,Cl;: a) At what masses do the molecular ions occur? b)What are the percentages of cach molecular ion?
3. Consider a picture from a mass spectrometer Region containing magnetic field Ion JABCDE 1 2 3 4 5 Ion beam Mass Charge 2 units te 4 units te 6 units te 2 units -e 4 units -e a) identify mass spectrometer tracks of the following ions (to each of the tracks 1-5 assign an ion A-B) b) what is the direction of the magnetic field in this mass spectrometer?
Propose a structure that is consistent with the following MS spectral data. m/z Intensity 121(M*) 47.9 122 4.0 Fill in the box next to each of the elements (C, H, N, O) with the number of atoms for the element that would appear in the proposed formula. Fill in "O" if there is no such element in the formula. Do not leave any boxes blank. H
QUESTION #1 PROPOSE ANSWER FOR THE FOLLOWING SPECTRA ? AND JUSTIFY YOUR ANSWER 1- % abundance 100 60 50 40 30 20 10 مسلسل m/z ratio 1558
Q5. Identify the spectrum (A, B, C or D) one would obtain from analysis using Energy Dispersive Spectroscopy. Briefly explain why. SA Absorbance (au) Absorbance (au) 0.5 08. 04 00+ 400 LSTE AUNPS at 0 v 5C 600 Wavelength (nm) 100 Concentration of AuNPs (g/mL) -LSTENPS BSA GLY Naci CYS pH7 PM 9 150 LSTE AUNP F1 AUNPs F2 AUNPs 700 111 El Mntensity (%) D FIL 2 theta (degree) 58 5D
Use the three spectra below to derive the structural formula for the compound of molecular formula C6H12O

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