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The M+ peak for an alcohol in the mass spectrum is 74. Find the structure of the alcohol.
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- 2. In a mass spectrum of a compound, the following data (intensity) is given. M+ = 80, M+ +1 = 8.8, M+ +2 = 26. This compound will have carbons and will contain a a. 8, sulfur b. 9, silicon c. 10, chlorine d. 11, bromineUsing the rule of 13, what is a possible formula for M=113 (100%) on a mass spectrum? all of the above are possible molecular formulas CH130 CH15N3. Bromine, Br2 Consider the fragmentation of diatomic compounds. For example, 158Br2 will give a signal at 79 for 79Br and one at 79 for Br. Br has two naturally occurring isotopes, the 79 isotope and the 81 isotope. Determine the origin (formula) of each of the signals for the mass spectrum of molecular bromine. Example, 158Br2 is equal to 79Br79Br. Relative Abundance 90 80 70 60 50 30 20 10 D 79 81 158 160 162 62 Mass (amu) Figure 4. Mass Spectrum of Br. Mass Number Measurement (cm) Abundance Formula Calculations XXXX XXXX XXXX XXXX XXXX XXXX
- What molecular ions will be present in a mass spectrum of 2-chloropropane,(CH3)2CHCl ?A compound containing only carbon, nitrogen, oxygen, and hydrogen contains four carbon atoms. If the M+ peak in its mass spectrum appears at m/z = 87, then how many nitrogen atoms does it contain?following the data in the mass spectrum, can you help me find the parent peak? and how do you identify the parent peak from the base peak?
- The mass spectrum below corresponds to acetone (C,H,O). What is the likely chemical composition of the ion that generates the tallest peak in the spectrum? A CH; B C₂H₂O* C C₂H₂0 D CO* Adve MALUPECTUR 14Can I please have help with this?Explain what can be determined from the following mass spectrum. M* = 123 Relative Intensity 100- 80 9 20 0-mmm 25 50 wytrwytatyt||||||qqıbıkm 75 m/7 100 125
- Which of the following statements is incorrect? 1.)A conventional mass spectrometer does not employ a spectrophotometric detector. 2.)Conventional mass spectrometry does not always require high purity samples. 3.)A mass spectrum shows no signals due to uncharged species. 4.)A conventional mass spectrometer uses high energy UV radiation.c) The mass spectrum of 2,3-dibromopentane (CH; CHBr CHBr CH₂ CH3) includes the following peaks. Mass number (m/z) Relative abundance 15 29 107 109 199 201 203 i. What is the mass number of molecular ion, [CH; CHBr CHBr CH₂ CH₂]? Show your working. ii. Identify the molecular formula (including isotopic composition where relevant) of the 6 peaks. a b d 22 e f Mass number (m/z) 15 29 107 109 199 100 39 44 45 0.3 0.6 0.3 201 203 Molecule formula [CH₂]iv