2.Based on Appendix 1, identify any two (2) significant bonds and the approximatewavenumbers associated with the following compounds. (Write your answer in thegiven table)a) CH3CH₂OHBondb) CH3OCH 3BondWavenumbers (cm-¹)BondWavenumbers (cm-¹)c) Crotonaldehyde, CH3CH=CHCHOWavenumbers (cm-¹) Wavenumber, cm-12960-2850(s)SOME CHARACTERISTIC IR ABSORPTION BANDS2760-2700, 2860-2800 (w),(a pair of bands)3080-3020 (m)3100-3000 (m)3333-3267 (s)1680-1640 (m,w)2260-2100 (m)1600, 1500 (w), usually showsseveral peaks1400 - 1090 (s)1320-1210 (m)1760 - 1670 (s)3600-3200 (b)3400-2500 (b)3500 - 3300 (m)1340 - 1020 (m)2260-2220 (m)APPENDIX 1h = 6.63 x 10-34 J.Sc = 3.00 x 108 ms-1BondC-H (sp³) AlkanesC-HC-H (sp²) AlkenesC-HC-H (sp)C=CCECC=CC-OC-OO-HAlcohols, Ethers, EstersCarboxylic acidsC=O Aldehydes, Ketones, Carboxylic acids,EstersO-HN-HC-NAldehydesCENFunctional GroupAromatic RingsAlkynesAlkenesAlkynesAromatic RingsIntensities: s= strong, m = medium, w = weak, b = broadHydrogen-bonded - Alcohols,PhenolsCarboxylic acidsAminesAminesNitriles

Answered: Image /qna-images/answer/39539dfe-822d-47c8-aa13-aac387019afb.jpg

2. Based on Appendix 1, identify any two (2) significant bonds and the approximate wavenumbers associated with the following compounds. (Write your answer in the given table) a) CH3CH₂OH Bond b) CH3OCH3 Bond Wavenumbers (cm-¹) Bond Wavenumbers (cm-¹1) c) Crotonaldehyde, CH3CH=CHCHO Wavenumbers (cm-¹)

2. Based on Appendix 1, identify any two (2) significant bonds and the approximate wavenumbers associated with the following compounds. (Write your answer in the given table) a) CH3CH₂OH Bond b) CH3OCH3 Bond Wavenumbers (cm-¹) Bond Wavenumbers (cm-¹1) c) Crotonaldehyde, CH3CH=CHCHO Wavenumbers (cm-¹)

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...

See similar textbooks

Similar questions

(1) The structural formula of 3-methyl-2-pentenol and 4-amino-4-methyl-2-pentanone, respectively, are shown below. HO CH3 CH3 H₂C O 53 CH3 NH₂ CH3 (1) Draw a well labeled IR spectrum of each compound showing the peak position and functional groups. (ii) Comment, if any, on the similarities or lack of, between the two spectra.
Predict the number of signals expected (disregarding splitting) in the 1H spectrum of CH3-OCH2CH3
In the warehouse of a chemical company there are 4 old reagents whose label can only be read that their formula is C4 H3 0. A chemist who works in the company has investigated in his inventory that they are the following compounds: OH Lon OH Compuesto A Compuesto B Compuesto C Compuesto D The chemist in question decides to obtain the IR spectra of each of the compounds. Identify each of the above compounds with their respective infrared spectrum Choose. Spectrum 4 Choose. Spectrum 3 Choose.
The following two reactions are typically performed in an undergraduate practical:Converting an alcohol into an alkyl halide and converting an alcohol into an aldehyde.The following spectra were obtained from the alcohol starting material. Study the spectra and answer the questions that follow.6(a) What kind of spectra are spectrum A and spectrum B? 6(b) What information does Spectrum A give us about a molecule? 6(c) How could we use the spectra from the two products (the alkyl halide and the aldehyde) to determine if the reactions had been successful or not? 6(d) Give a likely structure for the aldehyde.
Which of these molecules best correspond to IR spectrun below. 0.8 a) 0.6 0.4 0.2 A Z 3000 b) 0 C₂H₁0O 10 c) 2000 H Wavenumber (cm-1) 1000 OH "" 8" OH d) e)
9. (a) A compound with chemical formula C₂H₂CIBr shows the proton NMR spectrum consisting of two doublets with J-7.3 Hz. What is the molecular structure of this compound? (b) The proton chemical shifts of the two doublets from the previous question differ by 0.3 ppm. Can you consider the proton spectrum as the first order one?
Which of the following statements is incorrect regarding IR spectroscopy? options: The diagnostic region contain all signals that arise from double bonds, triple bonds and X-H bonds The fingerprint region contains signals resulting from the vibrational excitation of most single bonds (stretching and bending) The intensity of a signal is dependent on the dipole moment of bond giving rise to the signal A conjugated C=O bond produce a high energy signal than an unconjugated C=O bond The wavenumber of each signal is determined primarily by bond strength and the masses of the atoms sharing the bonds
C signals would the following compound show in a broad- band decoupled spectrum? How many A 4 В C D 7 E 8 Br Br
Cyclohex-2-enone has two protons on its carbon-carbon double bond (labeled Ha and Hb) and two protons on the carbon adjacent to the double bond (labeled Hc). (a) If Jab = 11 Hz and Jbc = 4 Hz, sketch the splitting pattern observed for each proton on the sp2 hybridized carbons. (b) Despite the fact that Ha is located adjacent to an electron-withdrawing C=O, its absorption occurs upfield from the signal due to Hb (6.0 vs. 7.0 ppm). Offer an explanation.
Determine whether the following statements about infrared spectroscopy is true or false. (Statements given in picture attached)
Using the information provided, list the approximate wavenumber ranges corresponding to the bands that you think are from C-H and O-H stretching (no need to distinguish which is which at this point). Which bands do you think result from different C-C and C-O stretching and bending vibrations? C-H and O-H: C-C:
Q15. The molar extinction coefficient, �, in the Beer-Lambert Law Where does the absorbance come from?