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!)
        
    
        



    

    



     

      










    
    
    
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!)
        
    
        



    

    



     

      










    
    
    
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.
        
    
        



    

    



     

      










    
    
    
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?
        
    
        



    

    



     

      










    
    
    
Click on image to enlarge


    		


    

    

    
    
        a)
        
    HCO
        
    



    

    

    
    
        b)
        
    CH2CH3
        
    



    


    

    

    
    







    
    
        

        








     5. 

For this same spectrum, choose the compound that the spectrum represents.
        
    
        



    

    



     

      










    
    
    
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.
        
    
        



    

    



     

      










    
    
    
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.
        
    
        



    

    



     

      










    
    
    
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.
        
    
        



    

    



     

      










    
    
    
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