Organic Chemistry (8th Edition)
8th Edition
ISBN: 9780134042282
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Textbook Question
Chapter 13.18, Problem 33P
A compound with molecular formula C4H6O gives the infrared spectrum shown here. Identify the compound.
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Chapter 13 Solutions
Organic Chemistry (8th Edition)
Ch. 13.1 - Which of the following fragments produced in a...Ch. 13.2 - What distinguishes the mass spectrum of...Ch. 13.2 - What is the most likely m/z value for the base...Ch. 13.3 - Prob. 5PCh. 13.3 - a. Suggest possible molecular formulas for a...Ch. 13.3 - If a compound has a molecular ion with an...Ch. 13.3 - Identify the hydrocarbon that has a molecular ion...Ch. 13.4 - Predict the relative intensities of the molecular...Ch. 13.5 - Which molecular formula has an exact molecular...Ch. 13.5 - Prob. 11P
Ch. 13.6 - Sketch the mass spectrum expected for...Ch. 13.6 - The mass spectra of 1-methoxybutane,...Ch. 13.6 - Primary alcohols have a strong peak at m/z = 31....Ch. 13.6 - Identify the ketones responsible for the mass...Ch. 13.6 - Prob. 16PCh. 13.6 - Using curved arrows, show the principal fragments...Ch. 13.6 - The reaction of (Z)-2-pentene with water and a...Ch. 13.9 - a. Which is higher in energy: electromagnetic...Ch. 13.9 - Prob. 20PCh. 13.13 - Prob. 21PCh. 13.14 - Which occur at a larger wavenumber: a. the C O...Ch. 13.14 - Prob. 23PCh. 13.14 - Prob. 24PCh. 13.14 - Rank the following compounds from highest...Ch. 13.14 - Which shows an O H stretch at a larger...Ch. 13.16 - Prob. 27PCh. 13.16 - a. An oxygen-containing compound shows an...Ch. 13.16 - Prob. 29PCh. 13.16 - For each of the following pair of compounds, name...Ch. 13.17 - Which of the following compounds has a vibration...Ch. 13.17 - Prob. 32PCh. 13.18 - A compound with molecular formula C4H6O gives the...Ch. 13.20 - Prob. 34PCh. 13.20 - Prob. 35PCh. 13.21 - Predict the max of the following compound:Ch. 13.21 - Prob. 37PCh. 13.23 - a. At pH = 7 one of the ions shown here is purple...Ch. 13.23 - Prob. 39PCh. 13.23 - Prob. 40PCh. 13 - In the mass spectrum of the following compounds,...Ch. 13 - Prob. 42PCh. 13 - Draw structures for a saturated hydrocarbon that...Ch. 13 - Rank the following compounds in order of...Ch. 13 - For each of the following pairs of compounds,...Ch. 13 - a. How could you use IR spectroscopy to determine...Ch. 13 - Assuming that the force constant is approximately...Ch. 13 - Norlutin and Enovid are ketones that suppress so...Ch. 13 - In the following boxes, list the types of bonds...Ch. 13 - A mass spectrum shows significant peaks at m/z. =...Ch. 13 - Prob. 51PCh. 13 - Prob. 52PCh. 13 - Prob. 53PCh. 13 - The IR spectrum of a compound with molecular...Ch. 13 - Rank the following compounds from highest...Ch. 13 - Rank the following compounds from highest...Ch. 13 - What peaks in their mass spectra can be used to...Ch. 13 - Prob. 58PCh. 13 - Which one of the following five compounds produced...Ch. 13 - Prob. 60PCh. 13 - Each of the IR spectra shown below is accompanied...Ch. 13 - Prob. 62PCh. 13 - Prob. 63PCh. 13 - How can IR spectroscopy distinguish between...Ch. 13 - Prob. 65PCh. 13 - Prob. 66PCh. 13 - Give approximate wavenumbers for the major...Ch. 13 - Prob. 68PCh. 13 - Which one of the following live compounds produced...Ch. 13 - Phenolphthalein is an acid-base indicator. In...Ch. 13 - Prob. 71PCh. 13 - How can you use UV spectroscopy to distinguish...Ch. 13 - Prob. 73PCh. 13 - The IR and mass spectra for three different...
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- 4. As the energy gap between the HOMO and LUMO orbitals of a molecule decreases, the molecules' electronic absorption spectrum (UV-vis spectrum) will have a larger Amax (lamba max) value. If compound X has a Amax = 388 nm, and compound Y has a max = 442 nm, which compound has more extensive conjugation? Place the name of the compound in the box below.arrow_forwardView and analyze the given spectroscopic data of an unknown compound with molecular formula C8H10O Propose a structure based on your analysis. Support your answer by interpreting the given spectroscopic data.arrow_forwardwhat is the bond line formula of C6H15N with respect to given IR spectra and NMRarrow_forward
- 2. The full structural formulae of three organic compounds, P, Q and R, are shown below. H H H H HH HHHH Н-С -с- Н H-C- C - C = C – H H - C - C = C – C – H H H H H Q P (a) State one similarity between P, Q and R in terms of their molecular formulae. (b) Name the homologous series that compounds P, Q and R belong to. (c) State one similarity between Q and R in terms of chemical bonding id) Which of these compounds are isomers? Explain your answer.arrow_forwardwhich of the following compounds absorb the radiation at longer wave length, Why ? 1- H;C-CH CH-CH=CH-CH3 2- H,C CH CH-CH=CH-C-CH3arrow_forwardWhat is the meaning of the term wavenumber, which is used in IR spectroscopy? OIt is the total number of wavelengths of IR radiation absorbed by the compound. It is the number of waves that pass through a particular point each second. It is another term for the energy of radiation. OIt is how many waves the IR light contains.arrow_forward
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- 1) Consider the following 5 compounds: NH2 H3C- NHh = white Cos H=red NH2 NH2 NH2 COOH H- -COOH COOH H3C čOOH NH2 čOOH H3C H- -NH2 ČOOH II II H3C H NH2 COOH H, COOH H3C. COOH NH2 NH2 COOH NH2 IV Indicate which of the following TWO structures are described by the following (use all ten a. possible combinations, +&4, I & II, &-V, 1& V, I & I,tt&V, H&V, II & IV, II & V, V-& Identical:+V, Enantiomers: | V,1-11 Diastereomers: lIV IV, N V b. Indicate which of the above compounds WILL rotate plane polarized light when dissolved in solution by writing their Roman numeral(s) here.arrow_forward8. Which of the following pairs of compounds is likely to absorb radiation at the longer wavelength and with greater intensity? (a) CH3CH2CO₂H or CH2=CHCO₂H (b) CH3CH=CHCH=CHCH3 or CH3C = C—C = CCH3 OCH3 (c) or CH3arrow_forward2K + 2H,0 --> 2КОН + Н, Identifyarrow_forward
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