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.

Q: Explain the basic principle of Raman spectroscopy. 2. What type of scattering and can be observed…

A: Five questions based on Raman spectroscopy, which are to be accomplished.

Q: What are the symmetry (irreducible representation) of the bending and asymmetric stretching…

A: The solution of the question is given below:

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

A: Given: The Transverse relaxation time (T2) is 50 ms

Q: What is involved in Phases l and Phases ll of biotransformation?

A: The reactions which are involved in phase I are as follows; 1. Hydrolysis 2. Reduction 3. Oxidation

Q: Calculate the wavenumber of the first overtone transition with v = 2 ← O in nitric oxide. NO. given…

A: Given information:

Q: ) trans-[Co(en)2Cl2]Cl is a chiral compound ) The coordination number for the anionic complex in…

A: If any compound has sigma plane of symmetry, inversion centre, alternative axis of symmetry  then…

Q: List the 3 types of EMR scattering and give the relationship between the particle size and…

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Q: Vibrational wavenumbers for K[N3] are 2041, 1344 and 645 cm-1. Draw the structure of the [N3]- ion…

A: Given data :- Vibrational wavenumbers for K[N3] are :- 2041, 1344 and 645 cm-1

Q: Explain what is Single molecule Surface-Enhanced Raman Spectroscopy.

A: the electrostatic approximation is given: apolarizable sphere with radius a ({linc) is laid in a…

Q: Use values of lmax from UV–visible spectra to estimate the length of conjugatedsystems, and to…

A: In UV spectra Woodward- Fieser rules are applied for the calculation of the maximum wavelength of…

Q: with amine concentration as shown below. A time-resolved laser spectroscopy experiment had also…

A: The shortening of the lifetime of the excited state is called quenching. Because the phosphorescence…

Q: Predict the maximum absorption wavelength for 2,4-heptadien-6-one using Woodward-Fieser rules

A: Woodward's rules also known as Woodward–Fieser rules are several sets of empirically derived rules…

Q: Why can UV or higher energy radiation not be used for non- destructive spectroscopy of polymer…

A: The frequency of UV radiation ranges from f= 8×1014to 3× 1016Hz .That is the energy E= hv ranges…

Q: Please determine the origin and possible numbers of electronic absorption band(s) for [Cr(OH2)6]**…

A: Tanabe-Sugano diagrams for d4 , d5 , d6 , d7 have a vertical line down the middle, separating…

Q: Use the analytical procedure in analytical chemistry to gain quantitative and qualitative…

A: Palm oil is one of the most useful vegetable oil available. Sudan IV dye is used as a hue enhancer…

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

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Q: The protein haemerythrin (Her) is responsible for binding and carrying O2 in some invertebrates.…

A: Hey since you have posted a sub-part question, we would answer first three sub-parts only. If you…

Q: Predict the wavenumber of the 0 → 2 line of the rotational Raman spectrum of 14N2, for which B =…

A: It is a spectroscopic technique which is used for the determination of rotational and vibrational…

Q: The rotational constant of 12C16O2 (from Raman spectroscopy) is 11.70 GHz. What is the CO bond…

A: The rotational constant B (Hz) = 11.70 × 109 Hz. B (Joule)=h28π2.I=h28π2.μr2B (Hz)=h28π2.μ.r2On…

Q: Suggest a reason why the replacement of 12C by 13C in CO2 affects some of its vibrational…

A: The replacing of an atom with its isotope is known as isotope effect, this is useful in an IR…

Q: An oxygen molecule absorbs ultraviolet radiation in a transition from its 3Σg− ground electronic…

A: As per turn principle permitted advances must include the advancement of electrons without an…

Q: Calculate the frequency separation (in megahertz) of the nuclear spin levels of a 14N nucleus in a…

A: To calculate the frequency separation of N14

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: What is the effective transverse relaxation time when the width of a Lorentzian resonance line is…

A: To find the effective transverse relaxation time,use the formula,T2*=1π⊿ϑ1/2where,⊿ϑ1/2=the width of…

Q: Which of the three vibrations of an AB2 molecule are infrared or Raman active when it is (i)…

A: The vibrations on vibrational modes, which cause a change in permanent dipole moment of the molecule…

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

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Q: Dibenzalacetone 101 100 99 97 96 95 4000 3500 3000 2500 2000 1500 1000 500 Wave number (cm-1) Band…

A:

Q: What are the conditions for a molecule to be Raman active, IR active.

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Q: The molar absorption coefficient of a substance dissolved in hexane is known to be 723 dm3 mol−1…

A: According to Beer-Lambert law, the quantity of light absorbed (A) by by a substance dissolved in a…

Q: 5. Calculate the frequency and wavenumber of the J = 3 € 2 transition in the pure rotational…

A: Please find the file attached for explanation

Q: Calculate the frequency of the J = 7 ← 6 transition in the pure rotational spectrum of 12C16O.…

A: The energy in the term of corresponding wavenumber for the rotational region spectra (ƐJ) is…

Q: Use a group theoretical argument to decide which of the following transitions are electric-dipole…

A:

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: For 'H³C1 molecule, (N¡/No) ratio at 300 K is 6.091 x 10² . Calculate the wavenumber ( in cm') for…

A: We know for rotational transition, EJ= BJ(J+1) cm-1 ; where B is rotational constant. From this…

Q: The wavenumbers of the first 5 absorption lines in the microwave spectrum of the ¹²C¹6O molecule,…

A:

Q: The molar absorption coefficient of a substance dissolved in hexane is known to be 227 dm3 mol−1…

A: By using beer-lamberts law,

Q: What are the advantages of a FTIR spectrometer over a dispersive IR spectrometer. What is difference…

A: Answer - According to the question - FTIR spectroscopy: Fourier transform infrared spectroscopy…

Q: force constant

A:

Q: If a compound emitted a Rayleigh scattering at 532 and an Anti-Stokes emission at 451 nm, what is…

A: In a Raman scattering phenomenon,  the photon energy is not conserved and it can either lose energy…

Q: Predict the shape of the nitronium ion, NO2+, from its Lewis structure and the VSEPR model. It has…

A:

Q: Calculate the frequency separation (in megahertz) of the nuclear spin levels of a 13C nucleus in a…

A: Given information,       A 13C nucleus in a magnetic field of 15.4 T given that its magnetogyric…

Q: What is the difference in population of 13C spins between the upper and lower states in a magnetic…

A: The relative difference in population between the upper and the lower states is given as: Relative…