EBK ORGANIC CHEMISTRY AS A SECOND LANGU
4th Edition
ISBN: 9781119234722
Author: Klein
Publisher: JOHN WILEY+SONS,INC.-CONSIGNMENT
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Textbook Question
Chapter 2.5, Problem 2.15P
For each IR spectrum below, determine whether it is consistent with the structure of a
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Analyse the high resolution proton NMR spectrum of a compound with a molecular formula of C8H16O2 and and write its name.
A) 2-ethylhexanoic acid
B) 1,4-cyclohexanedimethanol
C) ethyl hexanoate
D) butyl butyrate
E) ethyl 2,2-dimethylpropanoate
don't use handwriting
1.
MORONS
20
The IR spectrum above indicates the presence of which of the following bond
types or functional groups in the molecule? Select two.
100
90
70
40
4000
3000
Wavenumber (em')
2000
1000
The IR spectrum above indicates the presence of which of the following bond
types or functional groups in the molecule? Select two.
select two for each picture
alcohol
alkyne
aldehyde or ketone carbonyl
primary amine
secondary amine
carboxylić acid
nitrile
sp2 C-H
The DEPT-90 spectrum exhibits
6
in the 0-50 ppm region
The DEPT-135 spectrum exhibits
x
100 ppm region that is a
positive ▾
C6
signal(s) for the CH groups:
▼
1,2,6
✓
in the sp2 hybridized region 100-150
C3 and C4 ▼
signal(s) (only the quaternary carbon atoms,
signal(s), indicating the presence of a methylene group (CH₂) attached to an oxygen atom,
are missing); there is
C5
▼
C1 and C2 ▼
and
signal(s) in the 50-
Chapter 2 Solutions
EBK ORGANIC CHEMISTRY AS A SECOND LANGU
Ch. 2.3 - For each of the following compounds, determine...Ch. 2.3 - For each of the following compounds, determine...Ch. 2.3 - For each of the following compounds, determine...Ch. 2.3 - For each of the following compounds, determine...Ch. 2.3 - The following compound has three carbonyl groups....Ch. 2.4 - Predict which of the following C=C bonds will...Ch. 2.4 - The C=C bond in the following compound produces an...Ch. 2.5 - For each IR spectrum below, identify whether it is...Ch. 2.5 - For each IR spectrum below, identify whether it is...Ch. 2.5 - For each IR spectrum below, identify whether it is...
Ch. 2.5 - For each IR spectrum below, identify whether it is...Ch. 2.5 - For each IR spectrum below, identify whether it is...Ch. 2.5 - For each IR spectrum below, determine whether it...Ch. 2.5 - For each IR spectrum below, determine whether it...Ch. 2.5 - For each IR spectrum below, determine whether it...Ch. 2.5 - For each IR spectrum below, determine whether it...Ch. 2.5 - For each IR spectrum below, determine whether it...Ch. 2.5 - For each IR spectrum below, determine whether it...Ch. 2.5 - For each IR spectrum below, determine whether it...Ch. 2.6 - Prob. 2.22P
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- Which of the following functional group can be predicted with the IR spectrum shown? 2150 cm1 3320 cm 2950 cm1 4000 3500 3000 2500 2000 1500 1000 Ketone carboxylic acid Alkyne Primary amine Alkenearrow_forwardAn IR spectrum of an unknown compound is shown below. Predict the principal functional group present in this compound. 4000 3000 2000 1500 Wavenumber (cm-¹) 1000 500 A) amide B) amine C) carboxylic acid D) ether E) aldehydearrow_forwardDraw structures for a saturated hydrocarbon that has a molecular ion with an m/z value of 128.arrow_forward
- What functional group is indicated by the IR spectrum below? A) Aldehyde B) Ketone C) Carboxylic Acid D) Alkene E) Aminearrow_forward4. Give the structure of each of the following compounds. a) a six-carbon alkane whose proton NMR consists of 1 singlet. b) a six-carbon alkene whose proton NMR consists of 1 singlet c) a nine-carbon alkane whose proton nmr consists of 2 singlets.arrow_forwardWhat is this compound base on the IR spectrum?arrow_forward
- How many signals will the following compound display in the proton NMR spectrum? Compound: CH3CH,CH2COOCH,CH(CH3)2 O 6 O 7 3 O 5 4arrow_forward3. Which of the following information is primarily obtained from infrared spectroscopy? A) arrangement of carbon and hydrogen atoms in a compound B) molecular weight of a compound C) any conjugated t system present in a compound D) functional groups present in a compound E) all of thesearrow_forwarddraw the strucutre based off the IR spectrum, 1H NMR spectrum, and 13C NMR spectrum for this compound. This compound is an ester that is commonly used as food additive to give foods and beverages a fruity flavor. Its molecular formula is C7H14O2arrow_forward
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