Asked by Nhàn ?oàn on May 28, 2024
Verified
In the mass spectrum of 3,3-dimethyl-2-butanone, the base peak will occur at m/z ________.
A) 43
B) 58
C) 84
D) 85
E) 100
Mass Spectrum
A graph or data set representing the distribution of ions by mass in a sample, used to determine the molecular mass and composition of a compound.
Base Peak
In mass spectrometry, this is the highest peak in a mass spectrum, representing the most abundant ion.
3,3-dimethyl-2-butanone
A ketone with a branched chain structure used in organic synthesis and various industrial applications.
- Learn the basic tenets of several spectroscopic approaches (NMR, IR, Mass, UV) in the determination and characterization of organic compounds.
Verified Answer
SN
Sairyl NavascaJun 03, 2024
Final Answer :
A
Explanation :
The base peak in the mass spectrum of 3,3-dimethyl-2-butanone occurs at m/z 43, which corresponds to the most stable cation fragment formed by the cleavage of the molecule, typically due to the loss of a neutral ethyl group (C2H5) from the molecular ion.
Learning Objectives
- Learn the basic tenets of several spectroscopic approaches (NMR, IR, Mass, UV) in the determination and characterization of organic compounds.