
Concept explainers
Interpretation:
The structure of the compound has to be identified from the given data.
Concept introduction:
Spectroscopy:
It is study of the interaction of matter and
IR frequency (cm-1):
It is the number of wave crests that pass by a given point in one second frequency has units of hertz (Hz).
Stretch vibrations:
It is a vibration occurring along the line of the bond a stretching vibration changes the bond length.
Bending vibrations:
It is a vibration that does not occur along the line of the bond, bending vibration changes the bond angle.
Mass spectroscopy:
Interpreting a mass spectrum:
Each m/z values is the m/z value of one the fragments to the nearest whole number.
The peak with the highest m/z value in the molecular ions (M+), the fragment that results when the molecules lose electrons as result of being bombarding by the electron beam.
The m/z value of the molecular ion gives the molecular mass of the compound.
Peaks with smaller m/z values, fragment ion peak represent positively charged fragments of the molecular ion.
Base peak of mass spectrum:
The base peak is the one of highest (or) tallest peak, it has great abundance. It has the greatest relative abundance because it is generally the most stable positively charged fragment.
Given information:
The absorption value is at 1584, 1478, and 1446 cm-1 and it has M+ = 114, 112 and 77.

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Chapter 12 Solutions
EBK ORGANIC CHEMISTRY
- What is the name of the following compound? SiMe3arrow_forwardK Draw the starting structure that would lead to the major product shown under the provided conditions. Drawing 1. NaNH2 2. PhCH2Br 4 57°F Sunny Q Searcharrow_forward7 Draw the starting alkyl bromide that would produce this alkyne under these conditions. F Drawing 1. NaNH2, A 2. H3O+ £ 4 Temps to rise Tomorrow Q Search H2arrow_forward
- Organic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage LearningEBK A SMALL SCALE APPROACH TO ORGANIC LChemistryISBN:9781305446021Author:LampmanPublisher:CENGAGE LEARNING - CONSIGNMENT


