All GRE Subject Test: Chemistry Resources
Example Questions
Example Question #1 : Mass Spectroscopy
Determining the molecular ion peak (parent peak) in mass spectroscopy allows you to determine what characteristic of a mystery molecule?
Possible Answers:
Molecular charge
Functional groups
Nuclear charge
Molecular weight
Correct answer:
Molecular weight
Explanation:
The molecular ion peak is determined using mass spectrometry. The parent peak is formed when a mystery molecule does not fragment, and simply loses an electron. This means that the mass to charge ratio of this peak will allow us to determine the molecular weight of the compound.
Nate
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University of Wisconsin-Oshkosh, non degree, Prepharmacy. University of Wisconsin-Madison, Pharmaceutical Chemist, Pharmacy.
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Georgia Southern University, Bachelor of Science, Biochemistry. University of Georgia, Current Grad Student, Pharmacy.
All GRE Subject Test: Chemistry Resources
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