d. If distillation was performed on a solution mixture of Butanol and Pentanol, which substance would be initially present in higher concentration in the distillate? Justify your decision.

Chemical Principles in the Laboratory
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Chapter43: Analysis For Vitamin C
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4.
A student is presented with a sample of Butanol and a sample of Pentanol. Using the information in the table below, answer
following questions about the two substances.
a.
Compound
Butanol
Pentanol
Formula
CH3CH₂CH₂CH₂OH
CH3CH₂CH₂CH₂CH₂OH
Boiling Point
117.7°C
Density
0.8098 g/mL
0.8247 g/mL
131.6°C
Would you expect Butanol and Pentanol to be soluble in each other? Justify your decision by discussing strengths of
forces.
b.
If a solution does form between Butanol and Pentanol, list all of the types of intermolecular attractive forces that could exist
between the two substances.
C.
A student decided that distillation was the preferable way to separate a solution of these liquids instead of chromatography or
filtration. Do you agree or disagree with the student? Justify your decision.
d. If distillation was performed on a solution mixture of Butanol and Pentanol, which substance would be initially present in
higher concentration in the distillate? Justify your decision.
e. Why does Pentanol have a higher boiling point than Butanol?
Transcribed Image Text:4. A student is presented with a sample of Butanol and a sample of Pentanol. Using the information in the table below, answer following questions about the two substances. a. Compound Butanol Pentanol Formula CH3CH₂CH₂CH₂OH CH3CH₂CH₂CH₂CH₂OH Boiling Point 117.7°C Density 0.8098 g/mL 0.8247 g/mL 131.6°C Would you expect Butanol and Pentanol to be soluble in each other? Justify your decision by discussing strengths of forces. b. If a solution does form between Butanol and Pentanol, list all of the types of intermolecular attractive forces that could exist between the two substances. C. A student decided that distillation was the preferable way to separate a solution of these liquids instead of chromatography or filtration. Do you agree or disagree with the student? Justify your decision. d. If distillation was performed on a solution mixture of Butanol and Pentanol, which substance would be initially present in higher concentration in the distillate? Justify your decision. e. Why does Pentanol have a higher boiling point than Butanol?
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