Which of the following pair of alcohols is more soluble in water? Explain your answer.

• A. Heptan-1-ol is more soluble in water because it contains a larger polar group.
• B. Heptan-1-ol is more soluble in water because it contains a smaller nonpolar group.
• C. Propan-1-ol is more soluble in water because it contains a larger polar group.
• D. Propan-1-ol is more soluble in water because it contains a smaller nonpolar group.

Answer: (D)