At which pH is most of the carbon species H2CO3? А. 2 В. 7 С. 10.33 D. 14 8. Which one is a better electron acceptor (i.e., more likely to accept electrons from the same electron donor)? A. Fe(III)/Fe(II), E° = 0.77 V vs. SHE B. Mn(IV)/Mn(II), E° = 1.23 V vs. SHE C. NO3/NO, E° = 0.96 V vs. SHE D. NO3/NO2, E° = 0.83 V vs. SHE

Fundamentals Of Analytical Chemistry
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Chapter19: Applications Of Standard Electrode Potentials
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7. At which pH is most of the carbon species H2CO3?
А. 2
В. 7
С. 10.33
D. 14
8. Which one is a better electron acceptor (i.e., more likely to accept electrons from the
same electron donor)?
A. Fe(III)/Fe(II), Eº = 0.77 V vs. SHE
B. Mn(IV)/Mn(II), E° = 1.23 V vs. SHE
C. NO3/NO, E° = 0.96 V vs. SHE
D. NO3/NO2, E° = 0.83 V vs. SHE
Transcribed Image Text:7. At which pH is most of the carbon species H2CO3? А. 2 В. 7 С. 10.33 D. 14 8. Which one is a better electron acceptor (i.e., more likely to accept electrons from the same electron donor)? A. Fe(III)/Fe(II), Eº = 0.77 V vs. SHE B. Mn(IV)/Mn(II), E° = 1.23 V vs. SHE C. NO3/NO, E° = 0.96 V vs. SHE D. NO3/NO2, E° = 0.83 V vs. SHE
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