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

In living organisms, the exceptional ability of water to act as a universal solvent for polar substances is primarily attributed to

A. Its low molecular weight
B. Its high specific heat capacity
C. Its molecular polarity and capacity to form hydrogen bonds
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D. Its low density in the solid state

📝 Explanation

Water dissolves polar and ionic solutes by forming hydration shells. The partial charges of water molecules interact electrostatically with ions or polar groups, and hydrogen bonding stabilizes the dissolved state. Low molecular weight and high specific heat are separate properties.

📖 Additional Information

  • Its low molecular weight
  • Its high specific heat capacity
  • Its molecular polarity and capacity to form hydrogen bonds
  • Its low density in the solid state

Water dissolves polar and ionic solutes by forming hydration shells. The partial charges of water molecules interact electrostatically with ions or polar groups, and hydrogen bonding stabilizes the dissolved state. Low molecular weight and high specific heat are separate properties.

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