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

question 6

Multiple Choice

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

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Definitions:

Sales Journal

A specialized journal used to record all sales of merchandise on credit.

Daily Posting

The process of recording and updating financial transactions in the books of accounts on a daily basis.

Accounts Receivable

Monetary claims a company holds against customers for supplied goods or services awaiting financial settlement.

Sales Journal

A specialized accounting journal used to keep track of the sales of items on credit.