Cyclic Voltammetry

Question 1

at equilibrium, reduction rate =

Answer 1

oxidation rate

Question 2

what kind of solution is associated with chronoamperometry

Answer 2

unstirred solution

Question 3

in chronoamperometry, diffusion from bulk solution brings current where

Answer 3

to electrode surface where reduction occurs

Question 4

in chronoamperometry, with time current reduces because

Answer 4

decrease in current brought to electrode

Question 5

amperometry is with what kind of solution

Answer 5

stirring

Question 6

in amperometry, current is measured with what at what

Answer 6

WE at constant potential

Question 7

current is proportional to what

Answer 7

concentration

Question 8

current measures what

Answer 8

the rate of the reaction

Question 9

Ampere is an electric current of what

Answer 9

1 coulomb per second

Question 10

in a reversible system peak current is proportional to

Answer 10

square root of scan rate

Question 11

in a reversible system, peak position does or does not depend on scan rate

Answer 11

does not

Question 12

in a reversible system, cathodic current =

Answer 12

anodic current

Question 13

in a quasi reversible system diffusion is

Answer 13

slow

Question 14

in a quasi reversible system, peak current is proportional to

Answer 14

square root of scan rate

Question 15

in a quasi reversible system, does peak position depend on scan rate

Answer 15

does

Question 16

in quasi reversible system, diffusion occurs

Answer 16

fast

Question 17

what is anodic stripping voltammetry

Answer 17

analyte from a dilute solution is concentrated on a thin film or mercury by electroreduction and then stripped by reversing the potential