Question 2 The 13 C-NMR spectrum of an unknown compound (formula CgH180) is shown below. Its...
The H-NMR spectrum of an unknown compound (formula CaHgO2) is shown below. Draw the structure of the unknown compound. Question 5 4 1 6 5 8 10 11 Ppm The 13C-NMR spectrum of an unknown compound (formula CgH180) is shown below. Its 1H-NMR spectrum only shows one singlet at 1.2 ppm. Draw the structure of this unknown compound. uestion 2 220 200 160 140 120 PPM 100 80 240 180 60 40 20 Create OscerSketch Answer 2 What would be...
What would be the expected splitting pattern of the signal associated with the indicated hydrogen atoms? stion 3 D. quartet A. singlet B doublet C. triplet E. pentet F. sextet Enter Your Answer: A E F C Not Submitted
20. Propose a structure for compound GHOST with a formula C.HO, with the tom spectrum and IR spectrum. *O2 with the following 'H NMR TRANSACTIEF 21 4000 HAVENUMERI Chem Shift Rel. Area Splitting 4.1 2.0 1.7 1.5 0.9 triplet singlet nonet quartet doublet EN ppm
Label each proton with the predicted splitting pattern it would exhibit in a 1H NMR spectrum. Label each proton with the predicted splitting pattern it would exhibit in a H NMR spectrum. Singlet Doublet Triplet Quartet Quintet CH3
How many 1H-NMR signals would be in the spectrum for the following compound? Diastereotopic hydrogens would produce different signals. What is the splitting pattern for Ha in the following structure? Which of the following methyl group will have the furthest upfield chemical shift? How many 'H-NMR signals would be in the spectrum for the following compound? Diastereotopic hydrogens would produce different signals. (R)-2-iodo-pentane a. 5 b. 6 c. 7 d. 4 What is the splitting pattern for Ha in the...
The 1H-NMR and 13C-NMR spectra of an unknown compound (formula C8H10) are shown below. Draw the structure of the unknown compound. The total integration of the peaks at around 7 ppm is 4. The integration of the peak at around 2 ppm is 6. 7 6 5 4 3 ppm TTTTTTTTTTTTTTTT 200 180 160 140 120 100 80 60 40 20 0 pom CH3 Create OscerSketch Answer 8 Incorrect: Answer has an incorrect structure.
21. Propose a structure for compound HALLOWEEN with a formula CsH1002 with the following 'H NMR spectrum and IR spectrum. NAVENTER Area Chem Shift Splitting singlet multiplet multiplet doublet triplet Ppm
What types of splitting patterns would you expect in the proton NMR spectrum of the molecule shown below? Mark all that apply. singlet А doublet B triplet с quartet D sextet E ОА OB Ос Dם О Е D Question 9 4 pts Which compound corresponds to the 'H NMR spectrum below? (Integral values are indicated above/beside signals.) ОА Ос OE
What splitting pattern is observed in the 1H NMR spectrum for the indicated(^) hydrogen --------O --------ll CH3OCCN2CH3 --^ A) singlet B) doublet C) triplet D) quartet E) septet
yuLLIUI The IR and 'H-NMR spectrum of a compound with molecular formula 102 is provided below. What is its unsaturation number identify the key functional groups from the IR spectrum and explicitly state which stretches (with wavenumber) were used to identify them. Name or provide the condensed structure of a compound that will give rise to the above data (15 pts.) IR H-NMR-doublet - 79 ppm-2H, doublet - 7.3 ppm - 2H. quartet - 2.7 ppm - 2 triplet -1.2...