Question
Given below are two statements:
Statement I : Aqueous solution of K$_2$Cr$_2$O$_7$ is preferred as a primary standard in volumetric analysis over Na$_2$Cr$_2$O$_7$ aqueous solution.
Statement II : K$_2$Cr$_2$O$_7$ has a higher solubility in water than Na$_2$Cr$_2$O$_7$.
In the light of the above statements, choose the correct answer from the options given below: