None Which of the following transitions is involved in UV-Visible spectroscopy?A. RotationalB. VibrationalC. ElectronicD. Nuclear

a) Rotational spectroscopy is associated with the measurement of transitional energy (absorption or…

Answered: Which of the following transitions is…

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter15: Introduction To Electronic Spectroscopy And Structure

Section: Chapter Questions

Problem 15.69E

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Consider the following transitions 1. n=3 to n=1 2. n=2 to n=33. n=4 to n=34. n=3 to n=5(a) For which of the transitions is energy absorbed? (b) For which of the transitions is energy emitted? (c) Which transitions involve the ground state? (d) Which transition absorbs the most energy? (e) Which transition emits the most energy?
The following are sets of rotational quantum numbers (J,MJ,K). Label each indicated transition as either allowed or forbidden. Hint: Remember the rules for allowed values of the various quatum numbers. a (0,0,0)(1,1,0)b (0,0,0)(1,0,0) c (3,2,1)(3,1,1)d (4,4,1)(2,4,1)
The following are sets of rotational quantum numbers (J,MJ,K). Label each indicated transition as either allowed or forbidden. Hint: Remember the rules for allowed values of the various quantum numbers. a (5,4,0)(3,6,0)b (8,2,2)(9,2,2) c (7,4,2)(7,4,2)d (4,2,5)(3,2,5)
which of the following is a reason electronic spectra of molecules typically contain broad peaks? a. all transtions are allowed, b. excited states have finite lifetimes, c. the molecules are stationary, d. all transitions are forbidden
Which of the following is the principle of Atomic Absorption Spectroscopy?. a. Medium absorbs radiation and transmitted radiation is measured b. Radiation is absorbed by non-excited atoms in vapour state and are excited to higher states c. Colour is measured d. Colour is simply observed
2. a. Copper(II) acetate is a dimer, and the two copper atoms are strongly interacting. The epr spectrum consists of seven lines with intensity ratios 1:2:3:4:3:2:1. Copper nuclei have an I value of 2, and copper acetate consists of a ground state that is a singlet and an excited state that is a triplet. Explain the number and relative intensity of the lines in the spectrum. [For answer, see B. Bleaney and K. D. Bowers, Proc. Roy. Soc. (London), A214, 451 (1952).] b. What would you expect to happen to the signal intensity as a sample of copper acetate is cooled? Why?
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Analytical Chemistry II Compare between the advantages and disadvantages of atomic emission spectroscopy based on arcs and plasma.
Compare the advantages and disadvantages of atomic absorption and inductively coupled plasma Atomic emission spectroscopy.
25
The following diagram shows electronic and vibrational (vibronic) levels for a diatomic molecule. a. Indicate which peaks in the corresponding spectrum (below) correspond to which vibrational transition. wavelength b. Explain the difference in intensity of the vibrational peaks in the previous question. Why is the third peak the most intense? intensity energy
Several types of interference can occur in atomic spectroscopy. Which of these can be minimized by adding CsCl to the sample? Group of answer choices chemical interference ionization interference spectral interference physical interference

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Which of the following transitions is involved in UV- Visible spectroscopy? A. Rotational B. Vibrational C. Electronic D. Nuclear