A voltaic cell is constructed using the reaction of chromium metal and iron(II) ions.

Complete the following sentences: Electrons in the external circuit flow from the _______ electrode to the _______ electrode. Negative ions move in the salt bridge from the _______ half-cell to the _______ half-cell. The half-reaction at the anode is _______ , and that at the cathode is _______ .

Transcribed Image Text:

2 Cr(s) + 3 Fe²+ (aq) →2 Cr³+ (aq) + 3 Fe(s)