Mass Spectra Interpretation: ETHERS No. of Questions= 8 ELECTRON IMPACT MASS SPECTROMETRY PRODUCED THE SPECTRA BELOW. MANY PEAKS ARE LABELLED TO AID INTERPRETATION: M/Z (RELATIVE ABUNDANCE). LOOK AT THE HINTS AND FOLLOW THE WEB REFERENCE LINK FOR HELP. YOU WILL NEED A PERIODIC TABLE, A TABLE OF COMMON ISOTOPES (WHICH YOU CAN FIND IN THE WEB REFERENCE), A CALCULATOR, AND SCRATCH PAPER TO WORK THIS QUIZ. 1. Find the alkyl ion series in the spectra below. (Check the hint!) Web Reference Click on image to enlarge a) 29, 43 b) 59, 73 c) none 2. Find the alkyl LOSS ion series in the same spectra shown below. (Check the hint!) Web Reference Click on image to enlarge a) 29, 43 b) 59, 73 c) none 3. For this same spectrum, choose the compound that the spectrum represents. Web Reference Click on image to enlarge a) ethylene oxalate b) isobutyl methyl ether c) 1-ethoxy-2-methyl propane d) dipropyl ether e) diisopropyl ether 4. What ion is the most likely candidate to make the m/z 29 peak in the spectrum below? Web Reference Click on image to enlarge a) HCO b) CH2CH3 5. For this same spectrum, choose the compound that the spectrum represents. Web Reference Click on image to enlarge a) methoxy-ethane b) methoxy-ethene c) dimethyl ether d) formamide e) oxetane 6. Choose the compound that this spectrum represents. Web Reference Click on image to enlarge a) tetrahydrofuran b) 2-methoxy propane c) methyl propyl ether d) ethyl ether e) 1-methoxy butane 7. Choose the compound that this spectrum represents. Web Reference Click on image to enlarge a) methyl propyl ether b) 1-methoxy butane c) 2-methoxy propane d) tetrahydrofuran e) ethyl ether 8. Choose the compound that this spectrum represents. Web Reference Click on image to enlarge a) 1-ethoxy-2-methyl propane b) ethylene oxalate c) isobutyl methyl ether d) dipropyl ether e) diisopropyl ether Go to top of quiz Created with QuizPlease
No. of Questions= 8
LOOK AT THE HINTS AND FOLLOW THE WEB REFERENCE LINK FOR HELP. YOU WILL NEED A PERIODIC TABLE, A TABLE OF COMMON ISOTOPES (WHICH YOU CAN FIND IN THE WEB REFERENCE), A CALCULATOR, AND SCRATCH PAPER TO WORK THIS QUIZ.