Which of the following elements can be isolated by electrolysis in the manner de
ID: 720759 • Letter: W
Question
Which of the following elements can be isolated by electrolysis in the manner described?a. Oxygen at the cathode when an aqueous solution of potassium nitrate is electrolyzed.
b. Hydrogen at the cathode when an aqueous solution of nickel(II) nitrate is electrolyzed.
c. Potassium at the cathode when an aqueous solution of potassium nitrate is electrolyzed.
d. Nitrogen at the anode when an aqueous solution of potassium nitrate is electrolyzed.
e. Oxygen at the anode when an aqueous solution of potassium nitrate is electrolyzed.
Explanation / Answer
e. Oxygen at the anode when an aqueous solution of potassium nitrate is electrolyzed. b. b Hydrogen at the cathode when an aqueous solution of nickel(II) nitrate is electrolyzed.
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