January 2019 Ny Regents Chemistry Exam
23 Which compound is saturated? (1) butane
(2) ethene
(3) heptene
(4) pentyne
Solution: Table Q on the Reference Table shows Homologous Series of Hydrocarbons which includes alkanes, alkenes and alkynes. Alkanes are considered saturated while alkenes and alkynes are considered unsaturated. Alkanes end in "ane."
Answer: 1
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