Chemistry

Explain the following :
During the electrolysis of an aqueous solution of NaCl, hydrogen ion is reduced at the cathode and not the sodium ion though both Na⁺ and H⁺ ions are present in the solution.

Electrolysis

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Answer

Na⁺ and H⁺ migrate to cathode, but as H⁺ has lower position in electrochemical series than Na⁺, so hydrogen ion is reduced at the cathode and not the sodium ion.

H⁺ + e^- ⟶ H

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Chemistry

Explain the following :
During the electrolysis of an aqueous solution of NaCl, hydrogen ion is reduced at the cathode and not the sodium ion though both Na⁺ and H⁺ ions are present in the solution.

Electrolysis

Answer

Related Questions

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A solution of cane sugar does not conduct electricity, but a solution of sodium chloride is a good conductor.

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Hydrochloric acid is a good conductor of electricity.

Explain the following :
On electrolysis of dilute copper (II) sulphate solution, copper is deposited at the cathode but no hydrogen gas evolves there. Explain why.

Explain the following :
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Chemistry

Explain the following :During the electrolysis of an aqueous solution of NaCl, hydrogen ion is reduced at the cathode and not the sodium ion though both Na+ and H+ ions are present in the solution.

Electrolysis

Answer

Related Questions

Explain the following :A solution of cane sugar does not conduct electricity, but a solution of sodium chloride is a good conductor.

Explain the following :Hydrochloric acid is a good conductor of electricity.

Explain the following :On electrolysis of dilute copper (II) sulphate solution, copper is deposited at the cathode but no hydrogen gas evolves there. Explain why.

Explain the following :When a dilute aqueous solution of sodium chloride is electrolysed between platinum electrodes, hydrogen gas is evolved at the cathode but metallic sodium is not deposited. Why?

Explain the following :
During the electrolysis of an aqueous solution of NaCl, hydrogen ion is reduced at the cathode and not the sodium ion though both Na⁺ and H⁺ ions are present in the solution.

Explain the following :
A solution of cane sugar does not conduct electricity, but a solution of sodium chloride is a good conductor.

Explain the following :
Hydrochloric acid is a good conductor of electricity.

Explain the following :
On electrolysis of dilute copper (II) sulphate solution, copper is deposited at the cathode but no hydrogen gas evolves there. Explain why.

Explain the following :
When a dilute aqueous solution of sodium chloride is electrolysed between platinum electrodes, hydrogen gas is evolved at the cathode but metallic sodium is not deposited. Why?