Which of the following statement(s) about 1-butanol, CH3CH2CH2CH2OH, and propyle

Question

Which of the following statement(s) about 1-butanol, CH3CH2CH2CH2OH, and propylene glycol, CH3CHOHCH2OH are true?

a) Butanol is more soluble in water than is propylene glycol because 1-butanol has a smaller molecular mass.

b) Propylene glycol is more soluble in water than is 1-butanol because propylene glycol has a smaller molecular mass.

c) Butanol is more soluble in water than is propylene glycol because 1-butanol forms fewer hydrogen bonds with water.

d) Propylene glycol is more soluble in water than is 1-butanol because propylene glycol can form multiple hydrogen bonds with water.

Explanation / Answer

Propylene glycol (molar mass = 76.09 g/mol) is more soluble in water than is 1-butanol (molar mass = 74.12 g/mol) because propylene glycol can form multiple hydrogen bonds with water.

Therefore, the correct statement is (d)

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