Solved

The Half-Reaction That Occurs at the Cathode During Electrolysis of an Aqueous

Question 40

Multiple Choice

The half-reaction that occurs at the cathode during electrolysis of an aqueous sodium iodide solution is

A) Na⁺ + e^- $\rarr$ Na.
B) Na $\rarr$ Na⁺ + e^-.
C) 2H₂O + 2e^- $\rarr$ H₂ + 2OH^-.
D) I₂ + 2e^- $\rarr$ 2I^-.
E) 2I^- $\rarr$ I₂ + 2e^-.

Related Questions

Q35: What concentration of Ni<sup>2+</sup> ion remains in

Q36: Write the formula of the strongest oxidizing

Q39: Consider the following standard reduction potentials in

Q41: Gold can be electrochemically "plated" onto

Q42: A current of 0.80 A was applied

Q43: Which of these metals will be oxidized

Q45: Aluminum does not corrode as does iron,

Q59: Which of these metals will reduce water

Q85: A balanced redox equation must have which

Q107: Consider a Galvanic cell constructed from