(Solved): 1. In 2-butene, carbon 3 and 4 are joined by a A. single bond B. double bond ...

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1. In 2-butene, carbon 3 and 4 are joined by a A. single bond B. double bond 2. Which of the following compounds is an alkene? A. \( \mathrm{C}_{4} \mathrm{H}_{7} \) B. \( \mathrm{C}_{4} \mathrm{H}_{8} \) 3. The name of the formula \( \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{CH}-\mathrm{CH}_{2} \mathrm{CH}_{3} \) is A. 3-propylpentane B. 3-methylbutane 4. An alkyne A. is connected by single bonds only. B. has the general formula \( \mathrm{C}_{\mathrm{n}} \mathrm{H}_{2 \mathrm{n}-2} \) 5. What is the IUPAC name for the following compoun A. 1,3-pentamethylpropane B. 2,4,4-trimethylpentane 6. The stem/prefix for \( \mathrm{C}_{11} \mathrm{H}_{24} \) name A. dodec- B. hepta- 7. What is the name of the alkane shown below? A. 3-ethyl-2,2-dimethyloctane B. 6-ethyl-7,7-dimethyloctane