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For problem 12.18, the bond at which fragmentation occurs to give the ion at mYz 5 71 is the C-C bond.For problem 12.19, the odd-electron ions have mYz values of 83, 56, and 41, respectively. The even-electron ions have mYz values of 85, 70, and 50, respectively.For problem 12.20, the molecular ion of di-sec-butyl ether at mYz 5 130 is essentially absent in the eI spectrum, but it is the base peak in the CI spectrum. The other peaks in the CI spectrum are due to fragmentation of the molecular ion.
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bond.For problem
molecular ion
odd-electron ions
mYz
fragmentation occurs
problem
respectively.For problem
Ion
even-electron ions
spectrum
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