Question

Which factor affects the solubility of a substance but not the rate at which it dissolves? A. stirring B. surface area C. temperature D. molecular polarity

Answer 1

. the correct answer is D molecular polarity

Answer 2

Answer: Option (D) is the correct answer.

Explanation:

Polarity is defined as the presence of charges (positive or negative) present on the atoms of a compound or molecule.

For example, NaCl is a polar molecule because it has ionic bond whereas $CCl_{4}$ is a non-polar molecule.

Also, it is known that like dissolves like that is, a polar molecule is soluble in a polar solvent whereas a non-polar molecule is soluble in a non-polar solvent.

When we stir, increase the surface area, and increase the temperature for a solution then rate of reaction also changes but molecular polarity does not affect the rate of a reaction.