The voltammogram below is recorded at a Au RDE (area 0.2 cm?, rotation rate 3600 rpm) fora solution containing 100 mM Ce* + 50 mM Ce³3+ in 3 M CH3SO3H in H2O.I/mA0.04(5)0.02(4)0.00-50050010001500E vs SCE/mV(3)-0.02(2)-0.04(1)(a) Identify all the electrode reaction taking place (1–5) and indicate the rate-determining steps.(Use the 'electrochemical series'.)

The objective of this question is to show the accompanying voltammogram, recorded on a gold rotating…

The voltammogram below is recorded at a Au RDE (area 0.2 cm², rotation rate 3600 rpm) for a solution containing 100 mM Ce4+ + 50 mM Ce³+ in 3 M CH3SO3H in H₂O. 0.04 0.02 0.00 -0.02 - -0.04- I/MA -500 (1) 0 (2) 500 1000 (3) (4) (5) 1500 E vs SCE/mV

The voltammogram below is recorded at a Au RDE (area 0.2 cm², rotation rate 3600 rpm) for a solution containing 100 mM Ce4+ + 50 mM Ce³+ in 3 M CH3SO3H in H₂O. 0.04 0.02 0.00 -0.02 - -0.04- I/MA -500 (1) 0 (2) 500 1000 (3) (4) (5) 1500 E vs SCE/mV

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter2: Electrical Components And Circuits

Section: Chapter Questions

Problem 2.4QAP

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Question

The voltammogram below is recorded at a Au RDE (area 0.2 cm?, rotation rate 3600 rpm) for
a solution containing 100 mM Ce* + 50 mM Ce³3+ in 3 M CH3SO3H in H2O.
I/mA
0.04
(5)
0.02
(4)
0.00
-500
500
1000
1500
E vs SCE/mV
(3)
-0.02
(2)
-0.04
(1)
(a) Identify all the electrode reaction taking place (1–5) and indicate the rate-determining steps.
(Use the 'electrochemical series'.)

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