**Text Transcription:**Propose the NAME and STRUCTURE for compound B that satisfies ALL the data provided: (GIVE REASONS FOR YOUR ANSWER - Justify by indicating the absorption bands of importance and writing the equation that explain the reactivity)a) Molecular formula = C₃H₆Ob) Reactivity: B can be formed from propynec) IR spectrum as given below**IR Spectrum Analysis:**The IR spectrum provided shows important absorption bands. The x-axis represents the wavenumber in cm⁻¹, and the y-axis represents the transmittance percentage.- A strong absorption band at approximately 1716.21 cm⁻¹ suggests the presence of a carbonyl group (C=O).- Absorption around 2987.12 cm⁻¹ and 2862.11 cm⁻¹ indicates C-H stretching, likely from alkanes.- Additional bands around 1460.82 cm⁻¹ and 1371.21 cm⁻¹ suggest C-H bending, which is typical in alkyl groups.- The overall spectrum, with the given molecular formula C₃H₆O, supports the presence of a ketone. These spectral features combined with chemical reactivity clues can help in determining the name and structure of compound B.

M.F = C3H6O (DBE = 3-6/2+1 = 4-3 = 1). The compound is acetone. Oxymercuration of propyne produces…

*; Propose the NAME and STRUCTURE for compound B that satisfies ALL the data provided: (GIVE REASONS FOR YOUR ANSWER- Justify by indicating the absorption bands of importance and writing the equation that explain the reactivity) a) Molecular formula = C3H60 b) Reactivity: B can be formed from propyne c) IR spectrum as given below 100 80 40 20 4000 3500 30e0 2500 2000 1500 1000 2981.11 2719. 98 1726. 51 1468. C2 1381.21

*; Propose the NAME and STRUCTURE for compound B that satisfies ALL the data provided: (GIVE REASONS FOR YOUR ANSWER- Justify by indicating the absorption bands of importance and writing the equation that explain the reactivity) a) Molecular formula = C3H60 b) Reactivity: B can be formed from propyne c) IR spectrum as given below 100 80 40 20 4000 3500 30e0 2500 2000 1500 1000 2981.11 2719. 98 1726. 51 1468. C2 1381.21

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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Deduce the stucture of compound E3 for which spectral data is provided. Make assignment for all the spectral peaks. Make these assignments in terms of structures or functionalities whenever possible. Draw the proposed structure. If you can deduce two or more structures consistent with the data provided, indicate all of these structures and indicate your preference with any reasons you have for your choice.
16) The partial chemical structure and ¹H NMR spectrum of 1-bromopropane (C3H/Br) are shown below. Draw in the hydrogen atoms and label them with a subscript that corresponds to the labeled peaks in the ¹H NMR spectrum. Provide a brief rationale for your structural assignments. 11 10 NSP-00-184 T 9 8 7 6 Peak 1: 3.39 ppm 2H Triplet 5 4 3 Peak 3: 1.03 ppm 3H Triplet Peak 2: 1.87 ppm 2H Sextet ppm Rationale for peak assignments in structure: I 2 1 0 Draw in labeled hydrogen atoms (H₂, H₂, H₂) and assign them to peaks 1-3 CI- 14. : I figner that % H. H₂ HS - H² Structure of 1-bromopropane
2) Figures 2 to 4 show the IR, 1H NMR and 13C NMR spectra of a compound with formula C3H5N 2a) Identify bands A and B in the IR spectrum 2b) Using the information from the 1H NMR spectrum, fill in the table below Peak cluster (ppm) Multiplicity Number of H in neighbouring C Proposed identification 0 1.30 2.35 2c) Propose a structure for the compound C3H5N. Justify your answer by referring to key spectral features of the 3 spectra.
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VI: Application Question: Propose a structure that matches the following molecular formula, 1H NMR and IR information provided below. Label the protons in the final structure using the alphabetical notation convention (a, b, c, etc). Molecular Formula: C,„H160 IR data: Broad peak at 3300 cm-1, strong stretch at 3099 cm-1, medium stretch at 1614 cm1 and 1506 cm1. 1H NMR data: Integration Observed Splitting Pattern Letter Chemical Shift Assignment Value (ppm) a 0.86 6H Doublet 1.83 1H Multiplet 2.45 2H Doublet d 7.20 2H Doublet e 7.12 2H Doublet 3.95 2H Singlet g 3.2 1H Broad singlet
1. Which of the following compound will show two absorption bands at around 2700 cm³¹ and around 2800 cm¹ along with the carbonyl absorption [Select] 4 Click here to preview the image B :0: A A CO :0: lg i l N B C 2. Which of the following compound will show absorption band ~3300 cm¹ [Select] Click here to preview image A B B D C H 3. Which the following compound will show absorption band ~1735 cm1 [Select] Click here to preview image e D NH
What is structure? Chemical formula is C10H14O2
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A From the given spectral data, identify the compound and provide justification for MS fragmentation, IR bands and identify the protons and provided NMR data : carbon from the Mol. formula : C5H100 Ms : m/z= 86 · 1, 71, 44 IR (liquid film) : 1728, 2822, 2960 (cm-) 'H-NMR (8) : A =9·75, B =2:32, C =2.21, D =0:98 ppm (suggest splitting pattern) 13 C-NMR (8) : (Proton decoupled) 1 =202.71, 2 = 52.66, 3 = 23-57, 4 = 22·59