Which Statements Are True for Electroosmotic Velocity

Which statements are true for electroosmotic velocity?
I Electroosmotic velocity,u_eo,is calculated experimentally using the retention time of a neutral molecule and the length of the column from the injector to the detector.
II Electroosmotic velocity,u_eo,is the product of the electroosmotic mobility,_eo,and the electric field,E.
III Electroosmotic velocity,u_eo,is inversely proportional to electric field strength,E.
IV Electroosmotic velocity is equal to the electroosmotic flow.

A) II and IV
B) II,III,and IV
C) I,III,and IV
D) I and II
E) I,II,and IV

Correct Answer:

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