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Author Question: Which of the following compounds would show the longest wavelength lmax in its UV spectrum? ... (Read 51 times)

frankwu

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on: Aug 23, 2018
Which of the following compounds would show the longest wavelength lmax in its UV spectrum?
   
 

Question 2

When 2-bromopropane reacts with ethoxide ion, two products are formed; one is the product of SN2 substitution and the other is the product of E2 elimination. Write the structures of both products, and tell how they could be distinguished using IR spectroscopy.


lorealeza

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Reply #1 on: Aug 23, 2018
Answer to Question 1

d

Answer to Question 2

SN2 product
E2 product
CH3CH2OCH2CH2CH3
CH3CH = CH2
no alkene bands
alkene bands at 3020-3100 cm-1

and 1650-1670 cm-1
C - 0 stretch near 1100 cm-1
no C - O stretch


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frankwu

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Reply #2 on: Aug 23, 2018
Thank you!


lorealeza

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Reply #3 on: Aug 23, 2018
Always glad to help...


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