Organic Chemistry
12th Edition
ISBN: 9781118875766
Author: T. W. Graham Solomons, Craig B. Fryhle, Scott A. Snyder
Publisher: WILEY
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter A, Problem 5PP
Practice Problem A.5
How many signals (not counting the solvent) would you expect in the
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
A)
60
OH
50
40
B)
(com)
30
OH
20
OH
Which molecule (A, B or C) shown here best corresponds to the spectrum provided?
A
B
C
Submit Answer
Question 1
Correct Answer-Label the spectra and compound
OH
3
1HNMR (ppm): 4.77 (1H, br s); 3.50 (1H, quintet); 1.55 (2H, quintet); 1.40
(1H, m); 1.11 (3H, d); 0.99 (3H, t); 0.88 (3H, d)
Explanation for Excellent - Draw compounds that match the other spectra. They all have the same molecular
formula as above
2
IHNMR (ppm): 4.7 (1H, br s); 3.62 (2H, t); 1.58 (2H, quintet); 1.43 (2H,
quintet); 1.37 (2H, quintet); 1.35 (2H, sextet); 0.88 (3H, t)
IHNMR (ppm): 3.46 (2H, q); 3.35 (2H, t); 1.50 (2H, quintet); 1.46 (2H, sextet);
1.05 (3H, 1); 0.96 (3H, t)
PPM
1HNMR (ppm): 3.65 (2H, m); 1.13 (12H, d)
Select all that apply.
What major IR absorptions are present above 1500 cm for the following compound?
sp³ hybridized C-H at 3000-2850 cm-1
sp² hybridized C-H at 3150-3000 cm-1
sp hybridized C-H at 3300 cm
cm-1
0-H at 3000 cm -1
phenyl group at 1800, 1600 cm-1
C-O at-1700 cm -1
sp³ hybridized C-H at 3300 cm-¹
0-H at> 2250 cm-¹
C-O at ~2250 cm-¹
phenyl group at 1600, 1500 cm-¹
O
i
OH
Additional Science Textbook Solutions
Find more solutions based on key concepts
For Practice 1.1
Is each change physical or chemical? Which kind of property (chemical or physical) is demonst...
Principles of Chemistry: A Molecular Approach (3rd Edition)
Formula of the hydrate of chromium (III) nitrate needs to be determined in which there is 40.50 % water by mass...
Chemistry: Matter and Change
A liquid mixture containing 30.0mole% benzene (B), 25.0% toluene (T), and the balance xylene (X) is fed to a di...
Elementary Principles of Chemical Processes, Binder Ready Version
44. Calculate the ratio of CH3NH2 to CH3NH3Cl concentration required to create a buffer with pH = 10.24.
Chemistry: A Molecular Approach (4th Edition)
11.57 Draw the cis and trans isomers for each of the following: (11.6)
a. 2-pentene
b. 3-hexene
Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition) - Standalone book
If you have an aqueous solution that contains 1.5 moles of HCI, how many moles of ions are in the solution?
a...
Chemistry: The Central Science (14th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- Problem A.4 Propose a molecular formula for cedrol, an alcohol found in cedar oil. Cedrol has three degrees of unsaturation and a molecular ion in its mass spectrum at m/z = 222.arrow_forwardIdentify the number of signals for the following compound in 'HNMR spectrum. OH H2 H2 H3C-c- -C -C- -CH3 (A) 7 (В) 6 (С) 5 (D) 4arrow_forwardQ2: Choose the correct answer for each of the following: () 1 - In the infrared spectrum of a Compound containing a triple C-C bond, the amplitude oscillation band appears The Stretch) has at: - A) 2700 cm ¹ b) 2100 cm ¹ -1 c) 3100 cm ¹ 2- Stretching frequency of the O=C bond of a compound (3-butene-2-on) is less than the stretching frequency of a compound (2-propanone) a.) hydrogen bonding c) Vibration duplication b) Electronic effects 3- The compound o-hydroxybenzoic acid can be distinguished from the compound m-hydroxybenzoic Acid by infrared spectroscopy based on: a) OH. Group b) group curve oscillation) C-H c) group amplitude oscillation C=Oarrow_forward
- How do you know that the absorption band at ~1100 cm-1 in Figure is due to a C¬O bond and not to a C¬N bond?arrow_forwardWhat is true about the IR spectrum of 2,3-dimethyl-2-butene? Question 36 options: The peaks at 1600-1700 cm-1 (C=C) and at 3100 cm-1 (C-H; sp2-s bond) will not be observed There will be a peak (C=C) at 1600-1700 cm-1 There will be a peak (C-H; sp2-s bond) at 3100 cm-1 There will be a peak (C-H; sp2-s bond) just below 3000 cm-1 There will be a peak (C-H; sp3-s bond) above 3000 cm-1arrow_forwardWhich of the following IR frequencies would be expected for cyclohexanone? Select all that apply. O~1475 cm¹ and 1655 cm -1 -1 ~1710 cm 1 ~2260 cm-¹ -2915 cm -1 -3295 cm 1arrow_forward
- Problem #1: Which of these molecules best corresponds to the IR spectrum below? a) b) A 3000 گی من سلام c) H C₂H₂O 2000 d) OH mber (cm-1) e) www.p 1000 OHarrow_forward+ Choose the molecule that is most likely to produce a spectrum with these IR frequencies: v = 3370, 3292, 2959, 2927, 2873, 1613 (small and broad), 1127 cm¹¹ A) pentanamide B) 1-pentanamine C) pentanal D) 2-pentanone E) 2-pentenearrow_forwardDetermine splitting for all CHx groups using n+1 rule then match to appropriate spectrum drawing CH or OH group above each of the peaks.arrow_forward
- Problem A.8 The mass spectrum of 2,3-dimethylpentane also shows peaks at m/z = 57 and 43. Propose possible structures for the ions that give rise to these peaks.arrow_forwardInfrared Spectrum T (the left one) represents which of the following compounds? Notice the labels i and is on the two spectra close to the y-axis (transmittance) FIGURE 1 0 cyclohexanone 3000 INFRARED SPECTRUM phenylacetylene 2000 -COOH benzoic acid 1000 08 ii mm 02 3000 -OH phenol INFRARED SPECTRUM 2000 1000arrow_forwardProblem #3: Unknown molecule with molecular formula C H₁O. 14 Which of these molecules best corresponds to the IR spectrum below with molecular formula C6H140 ? a) 0.8 0.6 0.4 0.2 OH b) OH 3000 c) C₂H₁₂O 2000 d) Wavenumber (cm-1) 1000arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning
Organic Chemistry: A Guided Inquiry
Chemistry
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Cengage Learning
IR Spectroscopy; Author: Professor Dave Explains;https://www.youtube.com/watch?v=_TmevMf-Zgs;License: Standard YouTube License, CC-BY