A Major Source of Chlorine Gas, , Is from the Electrolysis

question 118

Multiple Choice

A major source of chlorine gas, , is from the electrolysis of brine, which is concentrated salt water, What is the sign of the electrode where the chlorine gas is formed? Is it negative or positive?

• A)Positive, since the chloride ions lose electrons to form chlorine molecules.
• B)Negative, since the chlorine gas needs to deposit electrons to form chloride ions.
• C)Neither, since chlorine gas is a neutral molecule, there is not electrode attraction.
• D)Both, since the chloride ions from NaCl (aq)are attracted to the positive electrode to form chlorine molecules while the produced chlorine gas molecules move to deposit electrons at the negative electrode.

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