Which change occurs as the chemical reaction takes place in the standard electrochemical cell repres — Electrochemistry Chemistry Question
Question
Which change occurs as the chemical reaction takes place in the standard electrochemical cell represented below?
Zn(s)|Zn2+(aq)||Sn2+(aq)|Sn(s)
I Electrons move through the external circuit from Zn to Sn.
II The concentration of Zn2+(aq) increases.
III The voltage increases from a negative value to zero.
A.✓ Correct
I and II only
B.
I and III only
C.
II and III only
D.
I, II, and III
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