January 2020 NY Regents Chemistry Exam
20 Given the organic functional group:
Which class of organic compounds has molecules with this functional group? (1) aldehydes (2) esters
(3) ketones
(4) organic acids
Solution: We need to take a look at Table R on the Reference table which lists the classes of organic compounds together with their functional groups. This molecule is an aldehyde.
Answer: 1
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