January 2019 NY Regents Chemistry Exam
43 Given the formula for a compound:
What is a chemical name for this compound?
(1) 1-butanamide
(2) 4-butanamide
(3) 1-butanamine
(4) 4-butanamine
Solution: We can look at Table R on the Reference Table. The functional group here is NH2, which is an amine. Example of the name is given on the right. There are 4 carbons. Prefix for 4 is but according to Table P. NH2 is on the first carbon, making the name 1-butanamine.
Answer: Choice 3
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