Question 6 Ha and Hb are Н. H A. enantiotopic B homotopic none of these D....
Testbank, Question 022 Protons Ha and Hb in the following compound are tir й, homotopic enantiotopic diastereotopic mesotopic O none of these
Are the highlighted protons(Ha and Hb) homotopic, enantiotopic or diastereotopic? Ph Ls JHO Ho
Protons Ha and Hb in the following compound are НЬ Hallo... mesotopic. O homotopic. O enantiotopic. O diastereotopic.
е d CН 3 с нн -нf CH 3 н. н a со Question 8 2 pts The two Hd atoms are... Homotopic Enantiotopic Diastereotopic Heterotopic Question 9 2 pts Ha and Hc are ... Homotopic Enantiotopic Diastereotopic Heterotopic
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. The protons marked Ha and Hb in the molecule below are: A) chemically equivalent B) enantitopic C) diastereotopic D) endotopic E) none of the above 3. Predict the number of signals expected in the 13C NMR spectrum of the compound shown below. 1, 2, 3, 4, or 8 7. 12.
Question 10 (1 point) kido HA H+ A- HB HB H* В- Which substance indicates a strong acid: HA or HB?
Label hydrogens on H-NMR. (Ha, Hb, etc.) - Н б" и не ан 7.26 CDC13 7.33 -9.04 -8.20 7.37 -6.39 -4.63 -5 9.0 8.5 8.0 7.5 7.0 6.5 chemical shift (ppm) 6.0 5.5 5.0 4.5
is the following alkene e, z, or neither Question Completion Status: > Δ Moving to the next question prevents changes to this answ Question3 Is the following alkene E, Z, or neither? OH CI A. E 。B.Z ° C. Neither D none of the above Moving to the next question prevents changes to this answer
.(23 pts.) Answer the following NMR questions: (a) How many 'H and 10C would ou d NMR signals would you expect for the compounds shown below7 Show answers in the boxes. 'H signals 13C signals Hsignals 13c signals Hsignal'C signals H signals 13c signals Please indicate the splitting patterns (singlet, doublet, triplet and so on) for the hydrogens in the structures below. (b) (D) Assign the indicated Hs as 'homotopic. "enantiotopic" or diastereotopic" hydrogens 8 (E) Determine the structures of...