Question #986051

How many sigma bonds are in acetaminophen (C8H9NO2)?

My textbook answer key says only 16 sigma and 4 pi bonds, but I keep on counting 20 sigma bonds because of the four unshown H atoms off of the aromatic. This is a picture of the skeletal structure: http://www.chem.purdue.edu/gchelp/116exams/e1f003.gif

2012-10-15 16:31:58

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