Question

$I$. Agitation and stirring will increase the rate at which salt dissolves in water.
$II$. Increased movement of water molecules allow sodium ions and chloride ions to be pulled apart as shells of hydration are formed.

• A. Statement $I$ is true, Statement $II$ is true and is a correct explanation of the phenomena described in $I$
• B. Statement $I$ is true, Statement $II$ is false
• C. Statement $I$ is false, Statement $II$ is true
• D. Statement $I$ is false, Statement $II$ is false

Answer 1

The correct option is A Statement $I$ is true, Statement $II$ is true and is a correct explanation of the phenomena described in $I$

When salt is dissolved in water then the ions so formed get hydrated by the water molecules and decrease the movement of water molecules and solubility also decreases,

hence, on agitation and stirring the solubility increases.