BIOCHEMISTRY
PROPERTIES OF WATER
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Water has a high specific heat capacity
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Water is a polar molecule
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Water molecules cannot bond with other water molecules
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Water is more dense as a liquid than as a solid
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Detailed explanation-1: -The property of cohesion describes the ability of water molecules to be attracted to other water molecules, which allows water to be a “sticky” liquid. Hydrogen bonds are attractions of electrostatic force caused by the difference in charge between slightly positive hydrogen ions and other, slightly negative ions.
Detailed explanation-2: -A molecule of water has two hydrogen atoms. Both of these atoms can form a hydrogen bond with oxygen atoms of different water molecules. Every water molecule can be hydrogen bonded with up to three other water molecules (See Fig.
Detailed explanation-3: -So, the correct answer is ‘It becomes more dense when it freezes’. Was this answer helpful?
Detailed explanation-4: -Nonpolar molecules, like fats and oils, don’t interact with water or form hydration shells. These molecules don’t have regions of partial positive or partial negative charge, so they aren’t electrostatically attracted to water molecules.