A Major Source of Chlorine Gas, Cl₂, Is from the Electrolysis

question 101

Multiple Choice

A major source of chlorine gas, Cl₂, is from the electrolysis of brine, which is concentrated salt water, NaCl (aq) . Which of the following is the balanced chemical reaction for this electrolysis reaction?

• A)NaCl (aq)+ H₂O → NaOH (aq)+ Cl₂ (g)+ H₂ (g)
• B)2 NaCl (aq)+ H₂O → Na₂O (aq)+ 2 HCl (aq)
• C)2 NaCl (aq)+ 2 H₂O → 2 Na (s)+ O₂ (g)+ 2 H₂ (g)+ Cl₂ (g)
• D)2 NaCl (aq)+ H₂O → 2 NaH (aq)+ Cl₂O^- (aq)

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