PLEASE HELP What do peaks 1, 2, and 3 represent on IR for p-acetamidotoluidide?

Question

PLEASE HELP

What do peaks 1, 2, and 3 represent on IR for p-acetamidotoluidide?

The IR spectrum can vary somewhat in appearance depending on the instrument and concentration of sample. However, peak positions generally don't vary by more than a few cm-1. Below is the an FTIR spectrum for p-acetamidotoluidide. It may differ a bit in appearance from your spectrum. Please identify the peak labeled as 3. L00 5D 1 3 2 4000 3000 2000 IS00 1000 500 /cm- Select one O O O O O a. C=O stretch b. C-H stretch c. C-N stretch d. N-H stretch e. H-C-H bend f. C-C stretch

Explanation / Answer

Peak 1 near 3300 cm-1 is for N-H stretch

Peak 2 near 2900 cm-1 is for C-H stretch

Peak 3 near 1600 cm-1 is for C=C stretch

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