Answered: By what factor must the applied…

By what factor must the applied magnetic field be increased for the relative population difference (Nɑ - Nβ)/N to be increased by a factor of 5 for (i) 1H nuclei, (ii) 13C nuclei?

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter19: Nuclear Magnetic Resonance Spectroscopy

Section: Chapter Questions

Problem 19.9QAP

See similar textbooks

Related questions

Q: How do a concerted proton-coupled electron transfer be energetically better than a subsequent PCET?

Q: The g-factors of 1H and 13C are 5.6 and 1.4 respectively. For the same value of the magnetic field…

A: Given that the g-factors of 1H and 13C are 5.6 and 1.4 respectively. If the 1H resonates at 600 MHz…

Q: Calculate the ratio of nuclei in the higher spin state to those in the lower spin state, Nh/Nl, for…

A: Given information, Temperature is 25°C Applied field strength is 7.05 T

Q: b. The coupling constant J,a in 1-bromo-2-chloroethane which is 6.0 Hz in a 200 MHz NMR is 12.0 Hz…

A: True or False

Q: Let the retention factor of species A be 0.5, while the retention factor of species B be 0.3. If…

A: Given Rf = Retention factor Rf(A) = 0.5 Rf(B) = 0.3 Distance travelled by solute A = 1.0 cm

Q: In which of the following systems is the energy level separation larger for a given magnetic field?…

A: NMR is the type of spectroscopy method that uses Radio waves of the electro-magnetic waves to…

Q: Identify the mayor peaks and the vibrational modes of this infrared spectrum of a solid mixture…

Q: Will thermal 1,3-migrations of carbon occur with retention or inversion of configuration?

A: Sigmatropic rearrangement reactions are name with digits. For example a [1, 3] sigmatropic…

Q: True or False : The difference in energy, ΔE, between alfa (+1/2) and beta (–1/2) spin states of a…

A: The difference in the energy, ΔE, between alfa (+1/2) and beta (–1/2) spin states of a proton is…

Q: Calculate the relative population differences (Nɑ - Nβ)/N for 13C nuclei in fields of (i) 0.50 T,…

A: i) The relative population difference of the nuclei is calculated by the formula shown below:

Q: Two species A and B are known to have water/hexane partition coefficient of 5.99 and 6.16. They are…

A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any…

Q: Compute the relative population of states of an electronic spin in magnetic field of 0.3T at 300K…

Q: Give examples of homotopic, diastereometric and enantiotopic protons in a molecule

Q: A radical containing three inequivalent protons with hyperfine coupling constants 2.11 mT, 2.87 mT,…

Q: (a) Substitution of an amino group at the para-position of autophenone shifts the C=0 frequency from…

A: Ring strain is the effect caused by abnormal bond angles in organic molecule. The ring strain is…

Q: 5- In Trans-[PdF:Cl;J determine Itotal, I'tran., Irot. and I'vib., Which mode(s) is (are) active in…

A: The solution of the question is given below:

Q: Calculate the (a) Linearity constant (r), (b) y-intercept, (c) Slope, and (d) Protein content of an…

A: Given

Q: Calculate the wavenumber of the C-Cl band in CCl4.

A: the wavenumber of C-Cl bond in CCl4 is calculated using the formula: ν' =1/2πck/μ where k=force…

Q: If the solubility of a drug is 3.8 g/L and in chloroform 224.9 g/L calculate its partition…

A: Solubility of drug in water = 3.8 g/L Solubility of drug in chloroform = 224.9 g/L

Q: what is the wavenumber cm-1 and the type of bond/ funtional group?

A: The question is based on the concept of IR Spectroscopy. we have been given an IR spectra. we have…

Q: By what factor must the temperature be changed for the relative population difference (Nɑ - Nβ)/N to…

A: The factor by which the temperature for H1 nuclei is changed as the overall populace expanded by 5…

Q: IR - Cyclohexanol 100 90 80 70 60 50 40 30 20 10 4000 3500 3000 2500 2000 1500 1000 500 Wave Number…

Q: Estimate the spin-only molar susceptibility of CuSO4⋅5H2O at 25 °C.

A: Spin only molar susceptibility of CuSO4 .5H2O At 25 degre celcius Molar susceptibility= ____? (In

Q: 5- In Trans-[PdF.Cl;F determine I'total, Ttran., Irot. and Ivib., Which mode(s) is (are) active in…

A: The solution is given below:

Q: what can we discuss/say on solvent polarity with regards to partition coefficient?

A: The greater the solubility of a substance, the higher its partition coefficient, and the higher the…

Q: A radical containing two inequivalent protons with hyperfine coupling constants 2.0 mT and 2.6 mT…

A: The attractive fields of hyperfine lines and their general powers must be expressed for an extreme…

Q: a.) The spacings of the rotational fine structure lines of carbon dioxide 12C16O2 are determined…

A: The bond length of a molecule in IR spectroscopy is calculated using the formula :

Q: Calculate the frequency in Hertz, the wavenumber (in cm-1), the energy in Joules, and the energy in…

A: Concept: The energy of a Photon is given by the following formula: E = hv or hc/λ Frequency (v) =…

Q: Calculate the fraction of 12(g) molecules in their first and second excited vibrational states at…

Q: Deduce the IR and Raman active carbonyl vibrations for both the cis and trans isomers of L2M(CO)4…

Q: What is the ratio of weights of populations for even and odd J due to the effects of nuclear…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Calculate the relative population differences (Nɑ - Nβ)/N for 1H nuclei in fields of (i) 0.30 T,…

Q: Suggest a reason why the spin-lattice relaxation time of benzene (a small molecule) in a mobile,…

A: At room temperature, the rate of tumbling of benzene in deuterated solvent is dose to Larmor…

Q: Classify the 19F nuclei in SF5− (which is square-pyramidal) into chemically or magnetically…

A: The structure of SF5− is shown below,

Q: The chemical shift of the CH3 protons in acetaldehyde (ethanal) is δ = 2.20 and that of the CHO…

A: When we study the interaction of electromagnetic radiation with matter then this study is known as…

Q: If the transverse relaxation time, T2, is 50ms, after what time will the envelope of the free…

Q: 5- In Trans-XeFCl; determine I'total, I'tran., I'rot. and I'vib., Which mode(s) is (are) active in…

A: Answer What's the best way to figure out which vibrational modes are IR active?IN TRANS-XeF2CL2…

Q: The natural abundance of 13C is only 1.1%. Furthermore, its sensitivity in NMR spectroscopy (a…

A: The 1H-NMR and 13C-NMR spectra of the samples are very helpful in predicting the structure of…

Q: IR - Cyclohexanone 100 90 80 70 60 50 40 30 20 10 4000 3500 3000 2500 2000 1500 1000 500 Wave Number…

Q: Acrolein (CH2=CH-CHO) shows two bands , at 210 nm (11,500) and 315 nm (15) . Assign these bands.

A: UV spectroscopy is used to determine the quantitative analysis of different types of transitions…

Q: In Trans-[PdFCl] determine I'total, I'tran., Irot. and I'vib., Which mode(s) is (are) active in IR…

A: The number of modes that are Raman or IR active can be calculated by the character table. The…

Q: Will quantitative fluorescence spectroscopy be as sensitive to path length differences in sample…

A: Fluorescence is a type of luminescence caused by photons exciting a molecule, raising it to an…

Q: 399.71 3000 1000 401.128 Wavenumber (cm-1] 1% 3043 cm-1-S 3001 cm-1- 24 cm-1 2835 cm- 8 cm-1 2723…

Q: Will thermal 1,5-migrations of carbon occur with retention or inversion of configuration?

A: Stereochemistry is a branch of chemistry that deals with the arrangement of atoms in the space…

Question

By what factor must the applied magnetic field be increased for the relative population difference (N_ɑ - N_β)/N to be increased by a factor of 5 for (i) ¹H nuclei, (ii) ¹³C nuclei?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

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

By what factor must the temperature be changed for the relative population difference (Nɑ - Nβ)/N to be increased by a factor of 5 for 1H nuclei relative to its value at room temperature? Is changing the temperature of the sample a practical way of increasing the sensitivity?
Suggest a reason why the spin-lattice relaxation time of benzene (a small molecule) in a mobile, deuterated hydrocarbon solvent increases whereas that of a polymer decreases.
What is the difference in population of 13C spins between the upper and lower states in a magnetic field at 2T and 300K?
The g-factors of 1H and 13C are 5.6 and 1.4 respectively. For the same value of the magnetic field strength, if the 1H resonates at 600 MHz, the 13C would resonate at ______.
What is the effective transverse relaxation time when the width of a Lorentzian resonance line is 1.5 Hz?
Calculate the relative population differences (Nɑ - Nβ)/N for 1H nuclei in fields of (i) 0.30 T, (ii) 1.5 T, and (iii) 10 T at 25 °C.
What would be the ratio N(-1/2)/N(+1/2) of the number of protons in spin state (-1/2) over (+1/2) state at a very low temperature of 3K (liquid He boiling pt) and in a 800 MHz NMR spectrometer?
A radical containing two inequivalent protons with hyperfine coupling constants 2.0 mT and 2.6 mT gives a spectrum centred on 332.5 mT. At what fields do the hyperfine lines occur and what are their relative intensities?
True or False : The difference in energy, ΔE, between alfa (+1/2) and beta (–1/2) spin states of a proton is independent of the strength of the applied magnetic field. Could you explain detail?
What is the molar extinction coefficient (e) for o-nitrophenol at lmax? Explain how you arrived at this value.
An amino acid on the surface of a protein was labelled covalently with 1.5-I AEDANS and another was labelled covalently with FITC. The fluorescence quantum yield of 1.5-I AEDANS decreased by 10 per cent due to quenching by FITC. What is the distance between the amino acids? (Refer to Table 17G.3 for the appropriate value of R0.)
Calculate the (a) Linearity constant (r), (b) y-intercept, (c) Slope, and (d) Protein content of an unknown sample having an absorbance of 0.325.