Which of the Following Statement(s)is(are)TRUE for Coulometry

Which of the following statement(s) is(are) TRUE for coulometry?
I Coulometric methods count electrons used in a chemical reaction to measure analyte.
II Coulometry employs either constant-current or constant-potential conditions.
III An advantage of coulometric methods is high precision and a disadvantage is low sensitivity.
IV Coulometric titrations are constant-potential methods.
V Constant-potential methods utilizing a three-electrode cell are more selective than constant-current methods.

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

Correct Answer:

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Access For Free