Question

In aqueous solution of sodium chloride when electric current is passed through the solution what product is formed at the anode? *​

Answer 1

Answer:

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Explanation:

chloride ions Cl –(aq) (from the dissolved sodium chloride) are discharged at the positive electrode as chlorine gas, Cl 2(g) sodium ions Na +(aq) (from the dissolved sodium chloride) and hydroxide ions OH –(aq) (from the water) stay behind - they form sodium hydroxide solution, NaOH(aq)

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Answer 2

Answer:

Chlorine gas is given off at the anode, and hydrogen gas at the cathode.

Sodium hydroxide solution is formed near the cathode.

Explanation:

When electricity is passed through an aqueous solution of Sodium

Chloride (called brine), it decomposes to form Sodium Hydroxide. The

process is called the chlor-alkali process because of the products formed–

chlor for chlorine and alkali for sodium hydroxide.

2NaCl(aq) + 2H₂O(l) → 2NaOH(aq) + Cl₂(g) + H₂ (g)  

Chlorine gas is given off at the anode, and hydrogen gas at the cathode.

Sodium hydroxide solution is formed near the cathode.

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