I have circled/completed most of these questions, can anyone check and make sure

Question

I have circled/completed most of these questions, can anyone check and make sure I haven't made any severe mistakes. I am just making sure nothing is completely wrong.

17. Consider the IR spectrum below.' Is this the spectrum for a l2,or 3 amine? Describe the peak(s) to justify your answer 2. Amne 18. Describe how IR spectroscopy can be used to distinguish between the compounds in the following set. ? Prime! ^rv^ e ,unch ^ brei Pe Cr.rtd 19. How many 1H NMR signals does each compound show (Label different types of protons for each compound) ? d. CH CHCH CHs (a 20. What is the expected mass of the molecalar ion for the compound? 100

Explanation / Answer

Yes you did very noice. Everything is good but in amide CO functional group will give 1670-1690 peak, it is clear indication for amide where as acid it will give 1700-1720 cm^-1 for CO stretching .

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