QUIZ 1. Which is the name for the alkane having three saturated carbon atoms? a. Methane b. Pentane c. Propane d. Ethane Answer: c. Propane has three saturated carbon atoms in a row. It goes by the molecular name of C3H8. 2. What is the name for the alkane that has five saturated carbon atoms? a. Methane b. Pentane c. Propane d. Ethane Answer: b. Five saturated carbon atoms in an alkane is called pentane. It is a C5H12 molecule when written out completely. 3. How does the parent carbon chain get chosen, according to IUPAC rules? a. It is the first in alphabetical order. b. It is the one with the least number of side chains. c. It is longest chain of carbon atoms. d. It is the one that does not have a double bond. Answer: c. It is the longest chain of carbon atoms that is most likely to be chosen as the parent compound. 4. Which side chain will get chosen first if all other things are equal? a. Methyl b. Sec-butyl c. Pentyl d. Isopropyl
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