What Are the Predicted M/z Values (Masses )And Relative Heights

question 101

Multiple Choice

What are the predicted m/z values (masses ) and relative heights of all the molecular ions of 1-bromoethane that would appear on a mass spectrum (excluding peaks produced by ¹³C and ²H) ?

• A) M+ peak at m/z =108 and an M+1 peak at m/z =110 The M+1 peak is approximately 1/2 the height of the M+ peak.
• B) M+ peak at m/z = 79 and an M+1 peak at 81 The M+1 peak is approximately the same height as the M+ peak.
• C) M+ peak at m/z = 108 and an M+2 peak at m/z = 110 The M+2 peak is approximately the same height as the M+ peak.
• D) M+ peak at m/z = 108 and an M+2 peak at m/z = 110 M+2 peak is approximately 1/2 the height of the M+ peak.
• E) M+ peak at m/z = 79 and an M+1 peak at 81 The M+1 peak is approximately 1/2 the height of the M+ peak.

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Marginal Product

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