The cell potential of the following at 298 K is 1.05 V. Ni(s)|Ni2+(aq, 1.00 M)||Ag+(aq, 1.00 M)|Ag(s — Electrochemistry Chemistry Question
Question
The cell potential of the following at 298 K is 1.05 V.
Ni(s)|Ni2+(aq, 1.00 M)||Ag+(aq, 1.00 M)|Ag(s)
Sodium cyanide is added to each half-cell until the concentration of free CN– reaches 1.00 M. What is the new observed cell potential? The Kf of Ni(CN)4 2- is 2.0 × 1031 and the Kf of Ag(CN)2 – is 9.8 × 1021.
A.✓ Correct
0.68 V
B.
0.78 V
C.
1.33 V
D.
1.43 V
💬
Still have doubts about this question?
Practice more questions like this, completely free.