b)HO HH2SO4Major prodcut + Minor productI.HeatBr HII.NaOEtMajor prodcut + Minor productHeati.ii.iii.Give the major product and minor products formed in the above reactionsJustify the reason for the formation major products and minor productsPredict the absolute configuration of reactant in each reactionc) Figure out the expected peak values in IR spectrum and number of signals in 'H NMRspectrum of reactant and major product.

Answered: Image /qna-images/answer/28550135-f7f3-485f-b440-ba5762b7af02.jpg

Answered: b) HO H H2SO4 Major prodcut + Minor…

Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter13: Nuclear Magnetic Resonance Spectroscopy

Section: Chapter Questions

Problem 13.28P

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14) The intensity of a signal in a ¹H NMR spectrum is determined by A. The number of neighboring C. Number of enantiotopic B. The electronic environment of D. Number of equivalent E. Number of non-equivalent protons.
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16) The splitting of a signal in a ¹H NMR spectrum is determined by A. The number of neighboring B. The electronic environment of the C. Number of enantiotopic D. Number of equivalent E. Number of non-equivalent protons.
(c) techniques? Draw the COSY spectra for H3C-CH2-CH,-C-OCH, CH3 How is 2D NMR affected by FT- to depict the correlations expected.
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For the following 9 compounds (most of which were the ones used in this lab), tell me what peaks you would expect to see in the 'H-NMR spectrum of those compounds. I have provided table for you to fill out with approximate chemical shift (ppm units), peak multiplicity_(singlet, doublet, etc.) and integration of the signal (how many protons would give that signal). No IR data is required. In addition, tell me the number of 13C-NMR signals you would expect to see [specific 13C shifts are not required] Predict
Is this HNMR spectrum for 3-methoxybenzoic acid, 4 methoxybenzoic acid or 4 methylbenzoic acid? Please explain why and explain peaks, shifts, etc.
Q5. Identify the spectrum (A, B, C or D) one would obtain from analysis using Energy Dispersive Spectroscopy. Briefly explain why. SA Absorbance (au) Absorbance (au) 0.5 08. 04 00+ 400 LSTE AUNPS at 0 v 5C 600 Wavelength (nm) 100 Concentration of AuNPs (g/mL) -LSTENPS BSA GLY Naci CYS pH7 PM 9 150 LSTE AUNP F1 AUNPs F2 AUNPs 700 111 El Mntensity (%) D FIL 2 theta (degree) 58 5D
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Interpret 1HNMR peaks of ethyl acetate include structure
Q1. Why is it common to use CCl4 as a solvent in IR spectroscopy? Q3. After completion of the previous reaction, you end up seeing the following peaks: 3300 cm-1 (broad intense peak), 3060-3040 cm-1 (2 medium intensity peaks), 3030-3020-3010 cm-1 (3 small peaks), 1640 cm-1 (low intensity peak), 1585 cm-1 (medium intensity peak), 1410 cm-1 (medium intensity peak), 1100 cm-1 (strong intensity peak), 1010 cm-1 (medium intensity peak), 900-690 (many peaks, medium intensities). Give the molecular structure of the actual final product for the previous reaction. (Hint: it is not a carboxylic acid, nor the ketone previously drawn.) Q4. You want to take the IR spectrum of acetylene. How would you prepare your sample? Mention all important details of the sample preparation (no need to describe the acquisition).

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