What occurs when an aqueous solution of Na2SO4 containing several drops of phenolphthalein is electr — Electrochemistry Chemistry Question
Question
What occurs when an aqueous solution of Na2SO4 containing several drops of phenolphthalein is electrolyzed between Pt electrodes?
A.
The colorless solution turns pink at the anode but remains colorless at the cathode.
B.✓ Correct
The colorless solution turns pink at the cathode but remains colorless at the anode.
C.
The pink solution becomes colorless at the anode but remains pink at the cathode.
D.
The pink solution becomes colorless at the cathode but remains pink at the anode.
💬
Still have doubts about this question?
Practice more questions like this, completely free.