Mass Spectrometry

Question 1

M-29

Answer 1

Loss of an ethyl radical

Question 2

M-43

Answer 2

Loss of a propyl radical

Question 3

1:3 isotope ratio on the far right side

Answer 3

Chlorine

Question 4

M-18

Answer 4

Loss of a water (from an alcohol)

Question 5

M-57

Answer 5

Loss of a butyl radical

Question 6

1:1 isotope ratio on the far right side

Answer 6

Bromine

Question 7

M-15

Answer 7

Loss of a methyl radical

Question 8

M-X (X = even number)

Answer 8

McLafferty rearrangement (loss of a neutral alkene from a ketone or aldehyde)