PRINCIPLES OF INSTRUMENTAL ANALYSIS
7th Edition
ISBN: 9789353506193
Author: Skoog
Publisher: CENGAGE L
expand_more
expand_more
format_list_bulleted
Question
Chapter 19, Problem 19.4QAP
Interpretation Introduction
Interpretation:
The spin-spin splitting lines and chemical-shift lines should be differentiated.
Concept introduction:
Nuclear magnetic reasonance is a technique that is used to predict the structural formula of the compound. NMR spectroscopy involves the examination of the nucleus under the external magnetic field.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
8.
Choose the compound that will produce the spectrum below and assign the signals to the corresponding
protons.
2
4
3
ō (ppm)
OH
4
6 6
СОН
2
1
0
7.
Assign all of the protons on the spectrum below.
A
B
2
C
E
2 1
3 6
4
3
2
1
0
e. If (3R,4R)-3,4-dichloro-2,5-dimethylhexane and (3R,4S)-3,4-dichloro-2,5-dimethylhexane are in a
solution at the same concentration, would this solution be expected to rotate plane polarized light
(that is, be optically active)? Please provide your reasoning for your answer. [If you read this problem
carefully, you will not need to draw out the structures to arrive at your answer...]
Chapter 19 Solutions
PRINCIPLES OF INSTRUMENTAL ANALYSIS
Ch. 19 - Prob. 19.1QAPCh. 19 - Prob. 19.2QAPCh. 19 - Prob. 19.3QAPCh. 19 - Prob. 19.4QAPCh. 19 - Prob. 19.5QAPCh. 19 - A nucleus has a spin quantum number of 7/2. How...Ch. 19 - Prob. 19.7QAPCh. 19 - Prob. 19.8QAPCh. 19 - Prob. 19.9QAPCh. 19 - Why is 133C-133C spin-spin splitting not observed...
Ch. 19 - Prob. 19.11QAPCh. 19 - Prob. 19.12QAPCh. 19 - Prob. 19.13QAPCh. 19 - What is a rotating frame of reference?Ch. 19 - How will E for an isolated 13C nucleus compare...Ch. 19 - Prob. 19.16QAPCh. 19 - Prob. 19.17QAPCh. 19 - Prob. 19.18QAPCh. 19 - Prob. 19.19QAPCh. 19 - Prob. 19.20QAPCh. 19 - Prob. 19.21QAPCh. 19 - Prob. 19.22QAPCh. 19 - Prob. 19.23QAPCh. 19 - Prob. 19.24QAPCh. 19 - Prob. 19.25QAPCh. 19 - Prob. 19.26QAPCh. 19 - Prob. 19.27QAPCh. 19 - Prob. 19.28QAPCh. 19 - Prob. 19.29QAPCh. 19 - Prob. 19.30QAPCh. 19 - The proton NMR spectrum in Figure 19.39 is for an...Ch. 19 - The proton NMR spectrum in Figure 19-40 is for a...Ch. 19 - Prob. 19.33QAPCh. 19 - Prob. 19.34QAPCh. 19 - Prob. 19.35QAPCh. 19 - From the proton NMR spectrum in Figure 19-44,...Ch. 19 - From the proton spectrum given in Figure 19-45,...Ch. 19 - Prob. 19.38QAPCh. 19 - Prob. 19.39QAPCh. 19 - Prob. 19.40QAPCh. 19 - Prob. 19.41QAPCh. 19 - Prob. 19.42QAP
Knowledge Booster
Similar questions
- 1. How many neighbors does the proton that produces the multiplet below have? 2. 3. اللـ Draw a partial structure from the multiplet below. (The integration of the multiplet is 6) M Using the additivity constants found in appendix G of your lab manual, calculate the approximate chemical shifts of the protons indicated below. (Show your work!!!) B A Br SHarrow_forward1) Suppose 0.1 kg ice at 0°C (273K) is in 0.5kg water at 20°C (293K). What is the change in entropy of the ice as it melts at 0°? To produce the original "water gas" mixture, carbon (in a combustible form known as coke) is reacted with steam: 131.4 kJ + H20(g) + C(s) → CO(g) + H2(g) From this information and the equations in the previous problem, calculate the enthalpy for the combustion or carbon to form carbon dioxide. kindly show me how to solve this long problem. Thanksarrow_forward4. An 'H-NMR of a compound is acquired. The integration for signal A is 5692 and the integration for signal B is 25614. What is the simplest whole number ratio of protons for signals A and B? (Show your work!!!) 5. Assign the carbons in the NMR below as either carbonyl, aromatic, or alkyl. 200 150 100 50 ō (ppm) 1arrow_forward
- Speaking of composite materials, indicate the correct option:(A). Composite materials can only be: metal-polymer or polymer-polymer.(B). Composite materials can be made up of particles, but not fibers or sheets.(C). When the reinforcing particles are uniformly distributed in a composite material, there may be a greater tendency for it to have isotropic properties.(D). None of the above is correct.arrow_forwardIf we are talking about viscoelastic modulus or viscoelastic relaxation modulus in polymers, indicate the correct option.(A). It reports the variation of elastic behavior as a function of time.(B). It is only useful for defining its glass transition temperature.(C). It only allows us to define the polymer degradation temperature.(D). Neither option is correct.arrow_forwardWhen natural light falls perpendicularly on a material A, it has a reflectivity of 0.813%. Indicate the value of the refractive index.arrow_forward
- In piezoelectricity and piezoelectric ceramics, one of the following options is false:(A). Piezoelectricity allows an electrical signal to be transformed into a mechanical one.(B). PbZrO3 is a well-known piezoelectric ceramic.(C). Piezoelectricity and ferroelectricity in general have no relationship.(D). One of the applications of piezoelectricity is sonar.arrow_forward(30 MARKS) Give the major product(s ) formed including relevant stereochemistry or the complete reaction conditions for the following reactions. More than one step may be required for each reaction arrow, in which case the steps must be numbered 1), 2) etc. (2 marks each box) h) i) h) OH i) HO H3PO4, heat 2 Brarrow_forwardNonearrow_forward
- Indicate which option is false(A). Resistivity has a residual component and a thermal component.(B). In some materials resistivity increases with T and in others it decreases.(C). In insulating materials, resistivity is very low.arrow_forwardIn ceramic materials, in relation to polymorphism, the same substance crystallizes differently when external conditions vary. Is this correct?arrow_forwardIndicate the type of bond that is considered to be a hydrogen bond.(A). Permanent dipole-dipole interaction between polar molecules.(B). Mixed ionic-covalent bond.(C). Principal interatomic bond(D). Van del Waals forces.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Physical ChemistryChemistryISBN:9781133958437Author:Ball, David W. (david Warren), BAER, TomasPublisher:Wadsworth Cengage Learning,
Principles of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage Learning
Physical Chemistry
Chemistry
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Wadsworth Cengage Learning,
Principles of Instrumental Analysis
Chemistry
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Cengage Learning