Which of the following voltaic cell reactions would not require a salt bridge?
A) Ce4+ + Fe2+→ Ce3+ + Fe3+
B) Cu (s) + 2 Ag+→ Cu2+ + 2 Ag (s)
C) H2 (g) + 2 AgCl (s) → 2 H+ + 2 Cl -
D) 2 Cu2+ + 4 I - → CuI (s) + I2 (s)
E) all of these cells require a salt bridge
Correct Answer:
Verified
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