Given below are two statements:
Statement I : Aqueous solution of `K_2Cr_2O_7` is preferred as a primary standard in volumetric analysis over `Na_2Cr_2O_7` aqueous solution.
Statement II : `K_2Cr_2O_7` has a higher solubility in water than `Na_2Cr_2O_7`.
In the light of the above statements, choose the `"correct"` answer from the options given below :

Options

A. Statement I is false but Statement II is true
B. Both Statement | and Statement II are false
C. Statement I is true but Statement II is false
D. Both Statement I and Statement II are true