15. Analytical Techniques:IR, NMR, Mass Spect
NMR Practice
15. Analytical Techniques:IR, NMR, Mass Spect
NMR Practice - Video Tutorials & Practice Problems
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ProblemDraw the approximate positions that the following compound might show in its 1H NMR absorptions?
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ProblemDraw the approximate positions that the following compound might show in its 1H NMR absorptions?
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PRACTICE PROBLEMS AND ACTIVITIES (54)
- Draw the expected NMR spectrum of methyl propionate, and point out how it differs from the spectrum of ethyl a...
- Each of these four structures has molecular formula C4H8O2. Match the structure with its characteristic proton...
- Tell precisely how you would use the proton NMR spectra to distinguish between the following pairs of compound...
- Tell precisely how you would use the proton NMR spectra to distinguish between the following pairs of compound...
- Sketch your predictions of the proton NMR spectra of the following compounds. (b)
- Sketch your predictions of the proton NMR spectra of the following compounds. (a) CH3-O-CH2CH3
- The following proton NMR spectrum is of a compound of molecular formula C3H8O. (a) Propose a structure for t...
- An unknown compound has the molecular formula C9H11Br. Its proton NMR spectrum shows the following absorptions...
- Five proton NMR spectra are given here, together with molecular formulas. In each case, propose a structure th...
- Give the spectral assignments for the protons in isobutyl alcohol (Solved Problem 13-4). For example, Ha is a ...
- Propose chemical structures consistent with the following NMR spectra and molecular formulas. (a) In spectru...
- Draw the NMR spectra you expect for the following compounds. (b)
- Draw the NMR spectra you expect for the following compounds. (a)
- An unknown compound (C3H2NCl) shows moderately strong IR absorptions around 1650 cm-1 and 2200 cm-1. Its NMR s...
- Identify each of the following compounds from its molecular formula and its 1H NMR spectrum: b. C6H12O
- Identify each of the following compounds from the 1H NMR data and molecular formula: c. C5H10O2: a 3H triplet ...
- Describe the 1H NMR spectrum you would expect for each of the following compounds, indicating the relative pos...
- Explain how the following compounds, each with the same molecular formula, could be distinguished by their 1H ...
- Describe the 1H NMR spectrum you would expect for each of the following compounds, indicating the relative pos...
- Describe the 1H NMR spectrum you would expect for each of the following compounds, indicating the relative pos...
- The following 1H NMR spectra are for four compounds, each with molecular formula of C6H12O2. Identify the comp...
- Sketch the following spectra that would be obtained for 2-chloroethanol: b. The 1H NMR spectrum for a sample o...
- Sketch the following spectra that would be obtained for 2-chloroethanol: a. The 1H NMR spectrum for an anhydro...
- The 1H NMR spectrum of 2-propen-1-ol is shown here. Indicate the protons in the molecule that are responsible ...
- The 1H NMR spectra of three isomers with molecular formula C7H14O are shown here. Which isomer produces which ...
- An alkyl halide reacts with an alkoxide ion to form a compound whose 1H NMR spectrum is shown here. Identify t...
- Identify each of the following compounds from the 1H NMR data and molecular formula: b. C8H9Br: a 3H doublet a...
- The 1H NMR spectra of three isomers with molecular formula C4H9Br are shown here. Which isomer produces which ...
- The 1H NMR spectra of three isomers with molecular formula C4H9Br are shown here. Which isomer produces which ...
- The 1H NMR spectra of three isomers with molecular formula C4H9Br are shown here. Which isomer produces which ...
- Match each of the 1H NMR spectra with one of the following compounds: b.
- Determine the ratios of the chemically nonequivalent protons in a compound if the steps of the integration cur...
- How would the 1H NMR spectra for the four compounds with molecular formula C3H6Br2 differ?
- Propose structures that are consistent with the following spectra. (Integral ratios are given from left to rig...
- Describe the 1H NMR spectrum you would expect for each of the following compounds, indicating the relative pos...
- Which of the following compounds is responsible for the 1H NMR spectrum shown below?
- Describe the 1H NMR spectrum you would expect for each of the following compounds, indicating the relative pos...
- Describe the 1H NMR spectrum you would expect for each of the following compounds, indicating the relative pos...
- Describe the 1H NMR spectrum you would expect for each of the following compounds, indicating the relative pos...
- Identify each of the following compounds from its molecular formula and its IR and 1H NMR spectra: b. C6H12O2
- The following 1H NMR spectra are for four compounds, each with molecular formula of C6H12O2. Identify the comp...
- When compound A (C5H12O) is treated with HBr, it forms compound B (C5H11Br). The 1H NMR spectrum of compound A...
- Identify each of the following compounds from its molecular formula and its IR and 1H NMR spectra: b.C6H14O
- Without worrying about the relative location of the signals (i.e., the chemical shift) or the splitting patter...
- (•••) Draw the ¹H NMR spectrum you would expect to see for each of the molecules in Assessment 15.63. b
- (•••) Draw the ¹H NMR spectrum you would expect to see for each of the molecules in Assessment 15.63. c
- (•••) Draw the ¹H NMR spectrum you would expect to see for each of the molecules in Assessment 15.63. d
- (••••) For the compound shown, produce a table of the shift, integration, and multiplicity of each peak you wo...
- The spectrum shown here is for a molecule with a molecular formula of C₄H₉Cl. Suggest a structure for this mo...
- A compound with molecular formula C5H10O2 gives the following IR spectrum. When it undergoes acid-catalyzed...
- When a compound with molecular formula C11H14O2 undergoes acid-catalyzed hydrolysis, one of the products that ...
- How many signals would the product of the following reaction show in a. its 1H NMR spectrum? b. its 13C NMR sp...
- The following NMR spectra correspond to compound of formula (C) C6H10O2. Propose structure, and show how it is...
- The following NMR spectra correspond to compound of formula (A) C9H10O2. Propose structure, and show how it is...