2. For each of the following compounds, determine whether the two protons labeled ai homotopic, enantiotopic,...
For the compound below compare the indicated protons and determine whether they are homotopic, enantiotopic or diastereotopic? Η. Η Select one: O a. enantiotopic o b. homotopic O c. diastereotopic
For the compound below compare the indicated protons and determine whether homotopic, enantiotopic or diastereotopic? HH OH Select one: O a. homotopic o b.enatiotopic O c. diastereotopic
Protons Ha and Hb in the following compound are НЬ Hallo... mesotopic. O homotopic. O enantiotopic. O diastereotopic.
Testbank, Question 022 Protons Ha and Hb in the following compound are tir й, homotopic enantiotopic diastereotopic mesotopic O none of these
practice quiz 1. (3 pts) For each of the following compounds, indicate whether the two protons shown are homotopic, enantiotopic, or diastereotopic. 2. (8 pts) Indicate the number of signals each of the following compounds would show in their 'Hand C NMR spectra: OME 'H__ _ H__ __ H__ __ H__ "C 3. (10 pts) For each of the following compounds, determine the multiplicity of each signal in the H NMR spectrum: la xiu ood ex gx x x 4....
1. Which of the following electromagnetic radiation is used in NMR spectroscopy?A) UVB) IRC) visibleD) γ-raysE) radio wave2. Which of the following is true about the number of signals in a 1 HMMR spectrum?A) it indicates the number of neighboring protonsB) it indicates the electronic environment of neighboring protonsC) it indicates the number of different kinds of protonsD) it indicates the electronic environment of absorbing protonsE) it indicates the number of protons in the signal3. Protons Ha and Hb in...
2. Predict the product and propose an appropriate mechanism for the following trans Identify whether the faces of the carbonyl are homotopic, enantiotopic, or diasto pts) e following transformation. topic, or diastereotopic. (6 W 2.4,0 ado color 3. Predict the product and propose an appropriate mechanism for each of the following transformations. (14 pts) O C T velog 2. H20 Alle loro ode Sota som motulostinwant
Page 2 of 2 Quiz 5- CHM130 4. Determine the functional groups in each of the following compounds H2C он CH3 H3C н.с H3C H3C Lovastatin Aspirin Lipitor CH но CH3 CH3 Capsaicin NH HN CH но н.co ,o он HO H но Vitamin C он он Chlorophyll core Salicylic acid Page 2 of 2 Quiz 5- CHM130 4. Determine the functional groups in each of the following compounds H2C он CH3 H3C н.с H3C H3C Lovastatin Aspirin Lipitor CH...
1. How many non-equivalent protons are there in each of the molecule below? Label them (a, b, c, etc.) (0.3 pr, 0.23 pt each) B. CH3-CH=C=C-H CH3 epen 2. Predict the chemical shifts of all the labeled protons (Ha, Hb, Hc, Hd) in the structures below. Please note that the labeled protons could represent one or more equivalent H's. (1 pt, 0.5pt each) Hint: use the table below. TABLE 13-3 Typical Values of Chemical Shifts Type of Proton Type of...
2. Consider the protons labeled H., H., H., of the compound shown below. Each of these protons are chemically different and are split by at least one other type of proton. coupling constants are shown below. HA HOHC C= "Hc JAB = 15.1 Hz JBC = 6.4 Hz Draw the splitting tree for each proton, H., Ho, and H. 3. Propose a structure for the following compounds piven the spectra and molecula formula. Briefly describe how each spectrum supports your...