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When Compounds have an affinity for water are said to be?

Hydrophilic. These compounds have a tendency to interact and dissolve in water due to their polarity or ability to form hydrogen bonds with water molecules. Examples of hydrophilic molecules include sugars, salts, and some proteins.


Why is polarity important in living things?

Many peculiar properties of water depends on the fact that the water molecule is polar. The specific water behavior depends on the fact that one water molecule establish the so called hydrogen bond, possible due to polarity, with four nearby molecules . In particular the oxygen atom is bonded with two hydrogen atoms of other molecules, while the two hydrogen atoms are bonded to other two molecules at the oxygen terminal. This due to the residual positive charge of the hydrogen part and negative residual charge of the oxygen. This set of weak bonds causes, for example, the fact that, at atmospheric pressure , water density is at maximum at 4 °C when water is liquid while the density of ice (solid water) is greater. Moreover, the polarity of water renders it a very good solvent. As a matter of fact, when another polar material enters in water, water molecules substitute the polar bonds maintaining the material in solid state surrounding the atoms or the molecules with a water molecules layer (called hydration layer) so to decrease the energy of the solution and render it stable. Last, but not least, the water polarity causes that hydroxyl and hydrogen ions move in water when an electrical field is present (during electrophoresis) by exchanging electrons with water molecules more than by simple push of the electrical field, having much higher mobility with respect to other ions.


Due to the polarity of water compounds that dissolve best in water contains?

Compounds that dissolve best in water are typically polar or ionic in nature. This is because water is a polar molecule, with oxygen being more electronegative than hydrogen, creating a partial negative charge on the oxygen and a partial positive charge on the hydrogen atoms. Polar or ionic compounds can interact with these partial charges on water molecules, allowing for dissolution.


What is the effect of this uneven sharing of electrons in water?

The polarity of water.


Is water a polar or nonpolar molecule?

Water is a polar molecule because it has a slight negative charge on the oxygen atom and a slight positive charge on the hydrogen atoms due to differences in electronegativity. This unequal sharing of electrons gives water a polarity, making it a polar molecule.

Related Questions

What type of bond results between water molecules due to water's polarity?

Hydrogen bonds result between water molecules due to water's polarity. The partially positive hydrogen atoms of one water molecule are attracted to the partially negative oxygen atom of another water molecule, creating a weak electrostatic attraction.


What forms due to polarity and is responsible for many of water's properties?

hydrogen bonds


Methanol or water which is higher polarity?

Water is higher in polarity compared to methanol because water is a polar molecule that contains polar covalent bonds due to the unequal sharing of electrons, while methanol is also polar but to a lesser extent due to the presence of a methyl group that reduces the overall polarity of the molecule.


Weak bond formed between water molecules due to their polarity?

Hydrogen Bond


Is water soluble in cyclohexane?

No, the polarity of water contrasts with and repels the nonpolar substane that is cyclohexane.


The tendency of water molecules to attract one another due to polarity is calle?

The tendency of water molecules to attract one another due to polarity is called cohesion. This cohesion contributes to surface tension and allows water to form droplets and maintain a high level of adhesion to other surfaces.


What is the polarity of sodium benzoate?

Sodium benzoate is a polar compound due to its ionic nature, with the sodium cation and the benzoate anion. Sodium benzoate dissolves well in water and other polar solvents due to its polarity.


Which property of water is likely the most significant in water's role as a universal solvent?

Water's polarity, due to its uneven distribution of electrons, is the most significant property that allows it to be a universal solvent. This polarity enables water molecules to attract and dissolve a wide variety of solutes, making it capable of dissolving many substances.


Why isn't water always a solvent?

Water isn't always a solvent because not all substances can dissolve in water. Water can dissolve many substances due to its polarity and ability to form hydrogen bonds, but substances that are non-polar or have larger molecules may not be able to dissolve in water.


Which property of water results in a meniscus?

Adhesion due to the polarity of the water molecule.


Why when you mix the water with butanol it becomes insoluble?

When water and butanol are mixed, they form two distinct layers because butanol is less dense than water. Butanol is insoluble in water due to the difference in polarity - water is polar, while butanol is less polar. This difference in polarity prevents the two substances from mixing on a molecular level, leading to their separation in layers.


Will dodecane dissolve in water?

No, dodecane is a hydrocarbon (alkane) and is insoluble in water due to differences in polarity. Water is a polar molecule while dodecane is non-polar, so they do not mix.