At the same time, chlorine is liberated at {HEAD ~ the anode}, which is used for additional oxidation of {TAIL ~ the chloride} of a metal 
At the same time , chlorine is liberated at { HEAD ~ the anode } , which is used for additional oxidation of { TAIL ~ the chloride } of a metal
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH