Three structural isomers of butanol are separately added to water at 25 °C: •…

CHEMISTRY · Single correct · A Level · Chemistry · Alcohols · Alcohols

Problem

Three structural isomers of butanol are separately added to water at 25 °C: • 1-butanol, CH₃CH₂CH₂CH₂OH • 2-butanol, CH₃CH₂CH(OH)CH₃ • tert-butanol, (CH₃)₃COH Which of the following lists the expected order of their solubilities in water (from greatest to least)? (a) 1-butanol>2-butanol>tert-butanol1\text{-butanol} > 2\text{-butanol} > \text{tert-butanol} (b) tert-butanol>2-butanol>1-butanol\text{tert-butanol} > 2\text{-butanol} > 1\text{-butanol} (c) 2-butanol>tert-butanol>1-butanol2\text{-butanol} > \text{tert-butanol} > 1\text{-butanol} (d) tert-butanol>1-butanol>2-butanol\text{tert-butanol} > 1\text{-butanol} > 2\text{-butanol}

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