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BIO NMDCAT Biological Importance of Water
nmdcat.online June 27, 2026

In an aqueous solution, the formation of a clathrate cage around a non-polar molecule is a thermodynamically unfavorable process because it

A. Increases the temperature of the surrounding water
B. Decreases the entropy of the surrounding water molecules
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C. Strengthens the hydrogen bonds in the bulk solution
D. Prevents the ionization of the water molecule

📝 Explanation

Water molecules form highly ordered, cage-like structures (clathrates) around non-polar solutes to maintain hydrogen bonding. This organization represents a local decrease in entropy (ΔS < 0), which is thermodynamically unfavorable and drives the hydrophobic effect.

📖 Additional Information

  • Increases the temperature of the surrounding water
  • Decreases the entropy of the surrounding water molecules
  • Strengthens the hydrogen bonds in the bulk solution
  • Prevents the ionization of the water molecule

Water molecules form highly ordered, cage-like structures (clathrates) around non-polar solutes to maintain hydrogen bonding. This organization represents a local decrease in entropy (ΔS < 0), which is thermodynamically unfavorable and drives the hydrophobic effect.

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