Question 6 Which of the following is a correct statement about alkane boiling points (BP)? Pentane has a higher BP than 2-methylbutane Hexane has a higher BP than heptane Butane has a higher BP than cyclobutane Octane has a higher BP than decane
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Boiling point decreases with branching. Cycloalkanes have higher boiling points than their straight-chain counterparts. Show more…
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Which of the following alkanes would have the highest boiling point? a) pentane b) 2-methylbutane c) 1,2,2-dimethylpropane d) hexane e) 2-methylpentane What statement does NOT apply to the boiling points of alkanes? a) The boiling point increases as the length of the carbon chain increases. b) Straight chain alkanes have higher boiling points than their branched isomers. c) They are nonpolar. d) Alkanes have lower boiling points than other organic compounds of similar molar mass. e) The boiling points are affected by Van der Waals attractions. f) The boiling points are influenced by hydrogen bonding. Which cycloalkane has the highest boiling point? a) cyclopropane b) cyclobutane c) cyclopentane d) cyclohexane e) cyclooctane The boiling points of normal alkanes rise as the length of the carbon chain increases. The most stable conformation of propane is staggered.
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Indicate whether each statement is true or false. (a) Pentane has a higher molar mass than hexane. (b) The longer the linear alkyl chain for straight-chain hydrocarbons, the higher the boiling point. (c) The local geometry around the alkyne group is linear. (d) Propane has two structural isomers.
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