First spectrum for option A) CH3CH2CH(CH3)2
Second spectrum for option B) CH3CHOHCH2CH3
mass spectrometry matching to graphs 1. (2 points) Match the following mass spectra below to the...
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...
2. Match the electron impact (El) mass spectrum with the correct structure from the choices below. of the fragments in the El spectra of the following molecules (write the correct letter in the upper left-hand corner of the spectra). Draw the structure of the indicated fragments (*) С В OH H *(43) *(71) *(43) 100 HS--1 100- -N-113 во- 80- 60- 60- 40- 40- 20- 20- m/z m/z 3. Predict the molecular ion peak pattern (El spectrum low resolution) for...
Lab 6 Mass Spectrometry Worksheet Please show your work for the following problems in your laboratory notebook. Your notebook carbons will be collected at the beginning of the next lab period. 1. For each of the following molecular formulas, calculate the index of hydrogen deficiency (IHD), and draw at least two possible structures: a. CaH4 22+2--6+04-2 b. CaHs c. CoHsNO2 26)-54t 4 d. CHioBr2 2 215)+2--0+o 2. Write the molecular formulas for three hydrocarbons with the following molecular ion (M)...
Stretches , structures , and identify fragments
Instrumentq Sruchire Taentia tre 8 Infrared Spectroscopy and Mass Spectrometry ea The following are IR and mass spectra of an unknown com- und. Propose at least two possible structures for the unknown 59 The following are IR and mass spectra of an unknown com- pound. Propose at least two possible structures for the unknown 15.60 mpound. rho Wavenumber(m1) 1600 000 3800 3000 2 2000 o Wavenumber (cm1) 100T 100 80 60 60 40...
Match each compound (d) to its mass spectrum (1-4). ) Relativel y 30 40 50 60 70 80 90 100 110 120 18 Mars plastic 2 STAEDTLER Revente 20 30 40 50 60 70 80 90 100 110 120 130 Relative intensy 10 20 30 40 50 60 70 80 90 100 110 120 130
Identify which of these four mass spectra indicate the
presence of sulfur, chlorine, bromine, iondine, nitrogen. suggest a
molecular formula for each.
2otten breaks sh ass spec er be mass PROBLEM 12-7 Identify which of these four mass spectra indicate the presence of sulfur, chlorine bromine, iodine, or nitrogen. Suggest a molecular formula for each. AA gIve the lonica 100 77 80 156 158 (a) 60 40 20 Fragn 10 20 30 40 50 60 70 80 100 110 120...
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....
Identify which of these four mass spectra indicate the presence of sulfur, chlorine, bromine, iodine, or nitrogen. Suggest a molecular formula for each. 100 abundance 8 $ 38 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 mily abundance 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 z 8 8 8 abundance $ 8 LL 10 20 30 40 50 60 70 80 90 100 110...
8. (10 points) The following spectra correspond to compounds AE listed below con pound to its corresponding spestre Label very simal on the spectrum (as Co . ctc.). Spectrum CDCI, 190 160 170 160 150 140 130 120 110 100 80 80 Spectrum 2 70 80 50 40 30 20 10 O le CDCI, 190 180 170 180 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 O de CDCI, 190 180 170 180...