Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN: 9780618974122
Author: Andrei Straumanis
Publisher: Cengage Learning
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Chapter L4, Problem 5E
For each structure below, use numbers to indicate chemically equivalent and distinct hydrogens,and make a table showing the predicted integration and multiplicity of each peak cluster.
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Given is the mass spectra of n-octane whre peaks are labeled accordingly. Give the letter that corresponds to the peak described below:
3. Look at the two spectra below, one of which is 2-methylcyclohexanol and one of which is
3methylcyclohexene. Which spectrum belongs to which compound? Explain your reasoning.
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Chapter L4 Solutions
Organic Chemistry: A Guided Inquiry
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- Following are infrared spectra of nonane and 1-hexanol. Assign each compound its correct spectrum.arrow_forwardFollowing are mass spectra for the constitutional isomers 2-pentanol and 2-methyl- 2-butanol. Assign each isomer its correct spectrum.arrow_forwardGiven is the mass spectra of n-octane whre peaks are labeled accordingly. Give the letter that corresponds to the peak described below: CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH3 Which peak is considered as the base peak? Which is peak is the Molecular ion peak? Which the isotopic peak of the molecular ion? Which peak reperesents the (CH3-CH2-CH2-CH2)+ fragment? Which is the methyl ion peak?arrow_forward
- What does cross peak X in Figure tell youarrow_forward5. For each structure below, use numbers to indicate chemically equivalent and distinct hydrogens and make a table showing the predicted integration and multiplicity of each peak cluster. Br Y OH ""OH CI CI d OH OH xoxarrow_forward1) Indicate chemically equivalent nuclei (e.g. Ha, H³, Hc). 2) Estimate the chemical shifts on the following hydrogens. 3) Indicate the ratio of the area under the peaks 4) Indicate the Spin Spin splitting (singlet, doublet, triplet, etc) 1, 1, 2 tribromoethane Ethyl benzene Methyl isopropyl ketone Isopropyl propionatearrow_forward
- Explain why you see double signals in the MS spectra of "compound X" for some mayor peaks with a difference of 2 m/z units. (2) h) Identify the hydrogens of "compound X" as unrelated, identical, enantiotopic, and/or diastereotopic where appropriate. Which one of the hydrogen present in the structure are homotopic.arrow_forwardHow many 13C peaks should be seen in the broad-band decoupled spectrum of the structure at the right?arrow_forward1) Indicate chemically equivalent nuclei (e.g. Ha, Hb, Hc). 2) Estimate the chemical shifts on the following hydrogens. CH₂ OCH₂ O CH₂0 Br CH3-CH-CH₂-CH3 CH3 OH CH3-C-C=C-H CH3 C=C-H O H CH3 Br-C-C-CH3 H Brarrow_forward
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