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1. An unknown hydrocarbon has a molecular ion peak at m/z = 84 with a relative intensity of 31.3. The M+1 peak has a relative intensity of 2.06 and the M+2 peak has a relative intensity of 0.08. What is the possible molecular formula of the compound?

1. An unknown hydrocarbon has a molecular ion peak at m/z = 84 with a relative intensity of 31.3. The M+1 peak has a relative intensity of 2.06 and the M+2 peak has a relative intensity of 0.08. What is the possible molecular formula of the compound?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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CHE 408 Home work March 14. 2018 Due March 21, 2018 1. An unknown hydrocarbon has a molecular ion peak at m/z = 84 with a relative intensity of 31.3. The M+1 peak has a relative intensity of 2.06 and the M+2 peak has a relative intensity of 0.08. What is the possible molecular formula of the compound? 2. The mass spectrum of an unknown liquid shows a molecular ion peak at m/z=78 with a relative intensity of 23.6. The relative intensities of the isotopic peaks are: m/z Relative intensity 79 1.00 80 7.55 81 0.25 What is the likely molecular formula of the unknown?
Transcribed Image Text:CHE 408 Home work March 14. 2018 Due March 21, 2018 1. An unknown hydrocarbon has a molecular ion peak at m/z = 84 with a relative intensity of 31.3. The M+1 peak has a relative intensity of 2.06 and the M+2 peak has a relative intensity of 0.08. What is the possible molecular formula of the compound? 2. The mass spectrum of an unknown liquid shows a molecular ion peak at m/z=78 with a relative intensity of 23.6. The relative intensities of the isotopic peaks are: m/z Relative intensity 79 1.00 80 7.55 81 0.25 What is the likely molecular formula of the unknown?
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