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PS 2 Solutions - CHEM 312 Problem Set 1 1 How could you...

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CHEM 312 Problem Set 1 1. How could you create a gasoline in lab that had an octane number of 93? Just mix isooctane (2,2,4-trimethylpentane) and heptane in a 93:7 ratio. 2. Draw and name the isomers of C 7 H 16 heptane 2-methylhexane 3-methylhexane 2,3-dimethylpentane 2,,4-dimethylpentane 2,2-dimethylpentane 3,3-dimethylpentane 3-ethylpentane 2,2,3-trimethylbutane 3. Draw the isomers with the same molecular formula as MTBE. Which would have higher boiling points and which lower, and why? O MTBE O O O O OH OH OH OH OH HO OH ethers, all lower boiling than alcohols due to lack of H-bonding aldohols, all higher boiling than ethers because H-bonding is possible
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4. Draw structures for the following: a. 1,2,4-trimethylbenzene b. p-ethyltoluene c. isopropylbenzene (hint: look up isopropyl in the IUPAC nomenclature handout) 5. Natural gas and propane are both gases at room temperature. Gasoline is a liquid. Jet fuel/kerosene is also a liquid but has a higher boiling point than gasoline. You
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