Rationalize each of the following observations by postulating a structure for the
Chapter 12, Problem 12.39(choose chapter or problem)
Rationalize each of the following observations by postulating a structure for the fragment ion(s) and the mechanisms for their formation. (a) The EI mass spectrum of 1-methoxybutane shows fragment ions at mYz 5 56 and mYz = 45 (base peak). (b) The EI mass spectrum of 2-methoxybutane shows a base peak at mYz 5 59.
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