1512.991509 70as00. 781497.961489.041485 75QUESTION 1CH33.13.02.9H NMR signal for brotonat position X/YThe atoms at positions X and Y in compound A above are a Cl and a H. By analysing the multipletstructure for the H atom located at either position X or Y in 'H NMR spectrum for A, determinewhether the H atom resides at position X or Y? Fully explain your reasoning.

Every nuclei will have spin and if an external magnetic field is applied, there will be an energy…

Answered: 1512.99 1509 70 as00. 78 1497.96…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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4. Deduce the structure of a compound with the molecular formular C8H10O that exhibits the following ¹H NMR and ¹³℃ NMR spectra. (6 pts) Proton NMR 22 7 Carbon NMR There are two. 160 unresolved lines at 130 ppm 140 120 5 Chemical Shift (ppm) 100 80 60 Chemical Shift (ppm) 40 3 20 2V 0
Which of these choices best describes the interpretation of the following peak that may be recorded in a 'H NMR spectrum? 3.0 8 (1H, t). The underlined hydrogen atom is intended to be the one producing the peak that we are interpreting. Ar-CHCO2H Ar-CHCHX2 Ar-CHCH,X Ar-CHCH3 None of these interpretations describes this peak.
propose a structure with molecular formula of C5H10O3, label also each corresponding peaks on the 1H and 13C NMR spectrum
15. The compound that gives the following NMR spectrum has the formula C,H,Br,. Draw the structure. Triplet H NMR 300 MHz CaH@Br2 Quintet
C,HBrO2, The strong peak at 1750 cm The molecular formula of an unknown compound is The proton NMR data is, 1.2d(6H, d), 4.2d(1H, t), 2.2d(2H, quintet), 4.93d(1H, septet), 1.08d(3H, t). What is the name of the unknown compound? ethyl 2-bromo-3-methylbutanoate 1-bromopropyl isobutyrate 1-bromoethyl 3-methylbutanoate Isopropyl 2-bromobutanoate
Give the structure that corresponds to the following molecular formula and ¹H NMR spectrum: CH₁0:8 1.5, s @ 2 W S -- X P Draw the structure. Select *3 # S G 30 F3 E D C $ 4 Draw C H 998 R F4 F % 5 V Rings F5 T G MacBook Air 6 B Fo More Y & 7 H ! F7 U N * 00 8 FB 1 ( 9 F9 K M O -0 2 Q V Erase L I' P
Indicate how many signals you would expect to see in the 1H NMR spectrum for Compound A below. Provide an explanation of the chemical shift, multiplicity and integration values you would expect to see for each signal in your answWer. OH Br A Briefly describe a method that could be used to confirm the identity of the O-H signal in the NMR spectrum of Compound A
Assign all of the signals in the ¹H NMR spectrum for propyl acetate. Fill in the table below with the 'H NMR data. Number each proton (or set of protons) to match the corresponding peak in the NMR. Integration Splitting Propyl acetate structure with protons labeled Signal - Chemical shift (ppm) 1 2 3 4 11 propyl acetate 10 9 8 7 6 5 ppm 2H, triplet 4 3 3H, singlet 3H, triplet 2H, sextet 2 1 Figure 3.7 ¹H NMR spectrum for propyl acetate. 0
An unknown compound reacts with ethyl chloride and aluminum trichloride to form a compound that has the following 1H NMR spectrum. What is thestructure of the compound?
Draw the structure for a compound with the formula C8H10O3 that exihibits the 1H-NMR spectrum provided integral parts are also provided in a table above the 1H-NMR picture.
How many unique 1°C NMR signals exist in the spectrum for the compound? HO HO, The number of signals is:
Select the correct structural fragments for the NMR of the unknown compound with the formula C5H10O. b 3.0 2.8 C d 2.6 Peak Chemical Shift (ppm) a 2.41 b 2.13 1.61 0.92 -CH2(a)-CH2(c) -CH2(a)-CH2(c)-CH3(d) -CH2(c)-CH3(d) -CH3(b) -CH2(c)-CH3(b) a 2H il 2.4 3H 2.2 2.0 Integration Multiplicity 2H 3H 2H 3H 1.8 2H с u illu 1.6 1.4 Structural Fragments 1.2 d 3H 1.0 U 0.8 0.6 PPM

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