Which one of the following statements about the mass spectrum of CH3Br is correct?
a. the last two peaks are of equal size and occur at m/z values of 94 and 96
b. the last two peaks have abundances in the ratio 3:1 and occur at m/z values of 94
and 96
c. there is just one peak for the molecular ion with an m/z value of 95
d. there is just one peak for the molecular ion with an m/z value of 44
a. the last two peaks are of equal size and occur at m/z values of 94 and 96
b. the last two peaks have abundances in the ratio 3:1 and occur at m/z values of 94
and 96
c. there is just one peak for the molecular ion with an m/z value of 95
d. there is just one peak for the molecular ion with an m/z value of 44