Respuesta :
Polar molecules have " dipole dipole" force of attraction between the molecules consisting of partially positive ion and partially negetive ion.
Water is the best example of polar molecule, having strong "hydrogen bonding" between the atoms of Oxygen (-ve) and Hydrogen(+ve).
When any polar substance dissolved in water, it break down into +ve and -ve ions.
Because of the dipole dipole attraction polar molecules are soluble in water.
The polar substances are soluble in water as they are attracted by water molecules, and are surrounded by them. Thus, option B is correct.
The solubility of the solute in the water has been described with the interactions in between the solute and solvent molecules.
The attractive interactions result in the solubility of the solute, while negative interactions result in the precipitation of the solute.
Polar substance in water
The polar substance has been defined with the presence of dipole-dipole interaction that has been resulted in the partial charge on the atoms.
The water has been a polar substance with partial negative oxygen, and partial positive hydrogen.
The addition of a new polar substance to water results in the acquisition of polar charge. With the property of like repel and unlike attracts, the negative oxygen attracts the positive part of the solute and vice versa.
The attraction by water molecules results in the micelle formation with the surrounding of the water molecules to solute particles, thus results in the dissolution of the solute.
Thus, option B is correct.
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