Lecture 14 Quiz

Question 1

The electrochemistry technique that produces an insoluble (solid) product (ex. Silver Chloride) is known as:

(a) Conductometry
(b) Potentiometry
(c) Amperometry
(d) Coulometry

Answer 1

(d) Coulometry

Question 2

The electrochemistry technique involving measuring the electrical potential difference between two half cells (electrodes) under equilibrium is known as:

(a) Amperometry
(b) Potentiometry
(c) Conductometry
(d) Coulometry

Answer 2

(b) Potentiometry

Question 3

Electrical current is produced due to the flow of which atomic particle:

(a) Protons
(b) Neutrons
(c) Electrons
(d) All of the above

Answer 3

(c) Electrons

Question 4

Electrochemistry involves the conversion of chemical energy into_______?

(a) Thermal Energy
(b) Light Energy
(c) Electrical Energy
(d) Nuclear Energy

Answer 4

(c) Electrical Energy

Question 5

Oxidation occurs at the_______:

(a) Anode
(b) Cathode
(c) Oxidation occurs at both the Anode and the Cathode
(d) Oxidation does NOT occur at neither the Anode nor the Cathode

Answer 5

(a) Anode

Question 6

Amperometry measures:

(a) current flowing through an electrochemical cell and the electrochemical potential between the two electrodes while a constant external voltage is applied.
(b) the electrolytic conductivity to monitor the progress of a chemical reaction.
(c) the electrical potential difference between two half cells (electrodes) under equilibrium.
(d) the amount of charge, in coulombs, passing between two electrodes at a fixed potential as a result of a chemical reaction.

Answer 6

(a) current flowing through an electrochemical cell and the electrochemical potential between the two electrodes while a constant external voltage is applied.

Question 7

A pH meter selectively measures the activity of which of the following atomic particles:

(a) Protons
(b) Neutrons
(c) Electrons
(d) All of the above

Answer 7

(a) Protons

Question 8

The most common indicator electrode used in Potentiometry is commonly referred to as the:

(a) Galvanic Electrode
(b) Clark Electrode
(c) Reference Electrode
(d) Ion Selective Electrode (ISE)

Answer 8

(d) Ion Selective Electrode (ISE)

Question 9

In a galvanic cell, electrodes flow from the _____ to the ______.

(a) Anode to the Cathode
(b) Cathode to the Anode
(c) Electrons do not flow within a galvanic cell

Answer 9

(a) Anode to the Cathode

Question 10

Which of the following is NOT an Electrochemical technique:

(a) Chromatography
(b) Potentiometry
(c) Amperometry
(d) Coulometry

Answer 10

(a) Chromatography