47. The figure shows a steady-state microelectrode voltammogram of a neurotransmitter obtained in a solution of 0.1 M KCl at 10 mV/s. Which best describes this voltammogram? Current, i (A) 20 5 1.0 0.5 G.D 03 01 00 01 02 03 04 05 Potential, E (V) vs. Ag/AgCl (A) A scan-rate dependent oxidation wave with a cathodic limiting current of 2.0 nA and a standard oxidation potential of 0.20 V vs Ag/AgCl. (B) A scan-rate independent reduction wave with a

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47. The figure shows a
steady-state
microelectrode
voltammogram of a
neurotransmitter
obtained in a solution
of 0.1 M KCl at 10
mV/s. Which best
describes this
voltammogram?
Current, i (A)
20
5
1.0
0.5
G.D
03 01 00 01 02 03 04 05
Potential, E (V) vs. Ag/AgCl
(A) A scan-rate dependent oxidation wave with a
cathodic limiting current of 2.0 nA and a standard
oxidation potential of 0.20 V vs Ag/AgCl.
(B) A scan-rate independent reduction wave with a
cathodic limiting current of 2.0 nA and a standard
reduction potential of 0.40 V vs Ag/AgCl.
Transcribed Image Text:47. The figure shows a steady-state microelectrode voltammogram of a neurotransmitter obtained in a solution of 0.1 M KCl at 10 mV/s. Which best describes this voltammogram? Current, i (A) 20 5 1.0 0.5 G.D 03 01 00 01 02 03 04 05 Potential, E (V) vs. Ag/AgCl (A) A scan-rate dependent oxidation wave with a cathodic limiting current of 2.0 nA and a standard oxidation potential of 0.20 V vs Ag/AgCl. (B) A scan-rate independent reduction wave with a cathodic limiting current of 2.0 nA and a standard reduction potential of 0.40 V vs Ag/AgCl.
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