Question

1. What is the difference between the base peak and the molecular ion peak in a...

1. What is the difference between the base peak and the molecular ion peak in a mass spectrum?

2. Complete the Sentence.

A. A Chemist would use a mass spectrometer because he/ she wants to know the __________

B. A chemist would use a Infrared spectrometer because he/she wants to know the _________.

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Answer #1

1. The most intense (tallest) peak in a mass spectrum, due to the ion with the greatest relative abundance is called base peak. the heaviest ion (the one with the greatest m/z value) is likely to be the molecular ion

2.

A.  A Chemist would use a mass spectrometer because he/ she wants to know the mass based chemical composition of a sample

B. A chemist would use a Infrared spectrometer because he/she wants to know the functional groups present in the compoumd

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