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Unformatted text preview: Chem 102 practice problems for test 2 1. Which formula is correct for an alkane? A. C 3 H 7 B. C 3 H 8 C. CH 3 D. C 2 H 6 Cl 2. The hybridization of the carbon atoms in all cycloalkanes is: A. sp 4 B. sp 3 C. sp 2 D. sp 3. What is the IUPAC name for this compound? A. 3-ethyl-6-methyl-3-propyloctane B. 3,3-diethyl-5-methylheptane C. 6,6-diethyl-3-methylnonane D. 6-ethyl-3-methyl-6-propyloctane 4. Which statement is false? A. Hydrocarbons are compounds that contain only carbon and hydrogen atoms. B. Constitutional isomers have the same molecular formula but different arrangements of atoms. C. Saturated hydrocarbons contain only single bonds. D. We can draw cis and trans stereoisomers for some alkanes. 5. A student incorrectly named a molecule 2,3-dimethyl-2-ethylpentane. What is the IUPAC name for this compound? A. 3,3,4-trimethylhexane B. 2,3,4-trimethylhexane C. 2,3,3-trimethylhexane D. 2,3,4,5-tetramethylbutane 6. How many primary (1º) carbon atoms are there in this molecule?...
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- Fall '08
- Atom, d., Functional group, B., c., A. Hydrocarbons