Exercise (a) Predict the H NMR chemical shifts of the protons for the following halo-alkanes using Chemdraw software. Molecule Chemical shift () of the methyl protons CH₂ CH₂I CH₂Br CH₂C1 CH,F CH₂OH Hints: H NMR prediction: (a) select the formula of the halo-alkanes using Marquee tool (b) from the structure menu in the tool bar, chose predict ¹H NMR shifts (c) A new window will pop up displaying the H NMR spectrum of the halo-alkanes (b) Predict the trend in electronegativity of heteroatoms on the chemical shift of the methyl protons in halo-alkanes Electronegativity increases the chemical shift of protons.......... Deshielding effect (c) Predict the ¹3C NMR shifts of the carbons for the following halo-alkanes using Chemdraw software. Molecule Chemical shift () of the carbon atoms CH₂ CH₂F CH₂C1 CH,Br CH₂I CH₂OH Hints: H NMR prediction: (d) select the formula of the halo-alkanes using Marquee tool (e) from the structure menu in the tool bar, chose predict "C NMR shifts (f) A new window will pop up displaying the "C NMR spectrum of the halo-alkanes (d) Predict the trend in electronegativity of heteroatoms on the chemical shift of the carbon atoms in halo-alkanes Electronegativity increases the chemical shift of carbons..
Exercise (a) Predict the H NMR chemical shifts of the protons for the following halo-alkanes using Chemdraw software. Molecule Chemical shift () of the methyl protons CH₂ CH₂I CH₂Br CH₂C1 CH,F CH₂OH Hints: H NMR prediction: (a) select the formula of the halo-alkanes using Marquee tool (b) from the structure menu in the tool bar, chose predict ¹H NMR shifts (c) A new window will pop up displaying the H NMR spectrum of the halo-alkanes (b) Predict the trend in electronegativity of heteroatoms on the chemical shift of the methyl protons in halo-alkanes Electronegativity increases the chemical shift of protons.......... Deshielding effect (c) Predict the ¹3C NMR shifts of the carbons for the following halo-alkanes using Chemdraw software. Molecule Chemical shift () of the carbon atoms CH₂ CH₂F CH₂C1 CH,Br CH₂I CH₂OH Hints: H NMR prediction: (d) select the formula of the halo-alkanes using Marquee tool (e) from the structure menu in the tool bar, chose predict "C NMR shifts (f) A new window will pop up displaying the "C NMR spectrum of the halo-alkanes (d) Predict the trend in electronegativity of heteroatoms on the chemical shift of the carbon atoms in halo-alkanes Electronegativity increases the chemical shift of carbons..
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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Transcribed Image Text:Exercise :
(a) Predict the H NMR chemical shifts of the protons for the following halo-alkanes
using Chemdraw software.
Molecule Chemical shift () of the methyl protons
CH₂
CH₂I
CH₂Br
CH;C1
CH₂F
CH₂OH
Hints:
H NMR prediction:
(a) select the formula of the halo-alkanes using Marquee tool
(b) from the structure menu in the tool bar, chose predict ¹H NMR shifts
(c) A new window will pop up displaying the 'H NMR spectrum of the halo-alkanes
(b) Predict the trend in electronegativity of heteroatoms on the chemical shift of the
methyl protons in halo-alkanes
Electronegativity increases the chemical shift of protons......
Deshielding effect
(c) Predict the 13C NMR shifts of the carbons for the following halo-alkanes using
Chemdraw software.
Molecule Chemical shift () of the carbon atoms
CH₂
CH,F
CH₂C1
CH,Br
CH₂I
CH₂OH
Hints:
H NMR prediction:
(d) select the formula of the halo-alkanes using Marquee tool
(e) from the structure menu in the tool bar, chose predict ¹³C NMR shifts
(f) A new window will pop up displaying the "C NMR spectrum of the halo-alkanes
(d) Predict the trend in electronegativity of heteroatoms on the chemical shift of the
carbon atoms in halo-alkanes
Electronegativity increases the chemical shift of carbons...
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