20. The amounts of energy available in the infrared region and radio frequency radiation are enough for a) Excite an atom and vibrate molecules. b) Vibrate molecules and affect the nuclear spin of atoms. c) Vibrate molecules and rotate atoms. d) Affect the nuclear spin and rotate molecules.

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
Chapter18: Raman Spectroscopy
Section: Chapter Questions
Problem 18.6QAP
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organic chemistry please solve questionnnnnnn 20 part d

16. The compound that corresponds to the following H-NMR spectrum is:
(a) CH3CH₂CH₂Br
11
(b) CH3CH(Br)CH3 (c) (CH₂),CCH₂Br
a
ppm
a) Excite an atom and vibrate molecules.
4
c) Vibrate molecules and rotate atoms.
17. The energy was associated with the gamma ray at frequency equal 1 x 1020 Hz is: (h-6.63 x 10 J.s, c
= 3 x 108 m/s).
a) 6.63 x 1014
b) 6.63 x 10-14
c) 6.23 x 10¹4
d) 6.63 x 10¹4
18. The chemical shift of CDC13 appear at 2130 Hz by using 300-MHz spectrometer. This chemical shift in
ppm is equal to:
a) 2.13
b) 7.1
c) 0.14
d) 3.0
19. The correct number of different proton environments in the following compounds is (a, b, c, d):
C
b) Vibrate molecules and affect the nuclear spin of atoms.
d) Affect the nuclear spin and rotate molecules.
triplet
LOH
sextet
d
a) 5, 6, 4, 6
b) 6, 6, 4, 8
c) 5, 6, 6, 6
d) 5, 3, 2, 3
20. The amounts of energy available in the infrared region and radio frequency radiation are enough for:
(d) CoH Br
triplet
Transcribed Image Text:16. The compound that corresponds to the following H-NMR spectrum is: (a) CH3CH₂CH₂Br 11 (b) CH3CH(Br)CH3 (c) (CH₂),CCH₂Br a ppm a) Excite an atom and vibrate molecules. 4 c) Vibrate molecules and rotate atoms. 17. The energy was associated with the gamma ray at frequency equal 1 x 1020 Hz is: (h-6.63 x 10 J.s, c = 3 x 108 m/s). a) 6.63 x 1014 b) 6.63 x 10-14 c) 6.23 x 10¹4 d) 6.63 x 10¹4 18. The chemical shift of CDC13 appear at 2130 Hz by using 300-MHz spectrometer. This chemical shift in ppm is equal to: a) 2.13 b) 7.1 c) 0.14 d) 3.0 19. The correct number of different proton environments in the following compounds is (a, b, c, d): C b) Vibrate molecules and affect the nuclear spin of atoms. d) Affect the nuclear spin and rotate molecules. triplet LOH sextet d a) 5, 6, 4, 6 b) 6, 6, 4, 8 c) 5, 6, 6, 6 d) 5, 3, 2, 3 20. The amounts of energy available in the infrared region and radio frequency radiation are enough for: (d) CoH Br triplet
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