the following standard reduction potentials. Cr3+(aq) + 3e− → Cr(s) E° = –0.74 V Sn4+(aq) + 2e− → Sn2+(aq) E° = 0.15V Which of the following statements is/are correct for the following spontaneous electrochemical reaction at 25 oC? 2Cr(s) + 3Sn4+(aq) → 3Sn2+(aq) +2 Cr3+(aq) a) The standard cell potential (or EMF) Eo for the above reaction is +0.59 V. b) Under the condition: [Sn4+] = 0.10 M; [Sn2+] = 0.10 M; [Cr3+] = 0.10 M, the cell potential E should be greater than the standard cell potential Eo for this electrochemical reaction. c) The equilibrium constant Kc (concentration based) of this rection is less than 1. a) only b) only
Given the following standard reduction potentials.
Cr3+(aq) + 3e− → Cr(s) E° = –0.74 V
Sn4+(aq) + 2e− → Sn2+(aq) E° = 0.15V
Which of the following statements is/are correct for the following spontaneous
2Cr(s) + 3Sn4+(aq) → 3Sn2+(aq) +2 Cr3+(aq)
a) The standard cell potential (or EMF) Eo for the above reaction is +0.59 V.
b) Under the condition: [Sn4+] = 0.10 M; [Sn2+] = 0.10 M; [Cr3+] = 0.10 M, the cell potential E should be greater than the standard cell potential Eo for this electrochemical reaction.
c) The equilibrium constant Kc (concentration based) of this rection is less than 1.
a) only
b) only
c) only
a) and b)
b) and c)
a) and c)
a), b) and c)
None of the 3 statements is correct.
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
