During electrolysis of molten sodium chloride?

Last Update: May 30, 2022

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Electrolysis of Molten Sodium Chloride
Molten (liquid) sodium chloride can be electrolyzed to produce sodium metal and chlorine gas. The electrolytic cell used in the process is called a Down's cell (see figure below).

What happens during the electrolysis of molten sodium chloride?

Sodium metal and chlorine gas can be obtained with the electrolysis of molten sodium chloride. Electrolysis of aqueous sodium chloride yields hydrogen and chlorine, with aqueous sodium hydroxide remaining in solution.

Which gas is liberated when molten sodium chloride is electrolysed?

1) In the electrolysis of molten NaCl, sodium is deposited at the cathode while chlorine gas is liberated at anode.

Is the electrolysis of molten sodium chloride spontaneous?

These cells are called electrolytic cells. Electrolysis is used to drive an oxidation-reduction reaction in a direction in which it does not occur spontaneously. An idealized cell for the electrolysis of sodium chloride is shown in the figure below.

What are the products of electrolysis of molten nacl?

The products of molten sodium chloride are sodium metal and chlorine gas.

9.2 Electrolysis of Molten Sodium Chloride [SL IB Chemistry]

30 related questions found

Which is the strongest reducing agent in electrochemical series?

At top end of electrochemical series there is lithium which is the strongest reducing agent and at the bottom end of electrochemical series there is fluorine which is the weakest reducing agent or the strongest oxidizing agent.

Which acid is used in electrolysis of water?

Electrolysis of a solution of sulfuric acid or of a salt, such as NaNO3, results in the decomposition of water at both electrodes. Hydrogen will appear at the cathode and oxygen will appear at the anode.

Is chloride A sodium?

Sodium chloride is the chemical name for salt. Sodium is an electrolyte that regulates the amount of water in your body. Sodium also plays a part in nerve impulses and muscle contractions. Sodium chloride is used to treat or prevent sodium loss caused by dehydration, excessive sweating, or other causes.

Which gas is liberated at the anode and why?

An anode is regarded as having a negative charge in a galvanic cell. Thus, the ' O−2' ions are oxidized to produce 'O2' gas at the positive electrode which is known as the anode. Hence, oxygen gas is liberated at the positive electrode called anode.

Is anode positive or negative?

In a battery or other source of direct current the anode is the negative terminal, but in a passive load it is the positive terminal. For example, in an electron tube electrons from the cathode travel across the tube toward the anode, and in an electroplating cell negative ions are deposited at the anode.

Can molten nacl conduct electricity?

The ions cannot move to conduct the electric current . But when an ionic compound melts, the charged ions are free to move. Therefore, molten ionic compounds do conduct electricity.

Why does lead bromide need to be molten?

Lead bromide is an ionic compound and can conduct electricity when the ions are free to move - either molten or in aqueous solution. ... This is because lead bromide has a relatively low melting point. Positive lead ions (cations) move to the cathode and gain electrons to become lead metal.

What does electrolysis of sodium chloride give?

Electrolysis of aqueous sodium chloride yields hydrogen and chlorine, with aqueous sodium hydroxide remaining in solution.

What is the difference between molten and aqueous electrolysis?

Molten and aqueous electrolysis are two such types of electrolysis. The key difference between molten and aqueous electrolysis is that molten electrolysis produces elements of the analyte, whereas aqueous electrolysis produces an aqueous salt solution and a mixture of gases as the final product.

Can sodium be extracted by electrolysis of aqueous nacl?

An aqueous solution of sodium chloride is not used for electrolysis because aqueous solution contains water as well which results in the formation of sodium hydroxide in the solution and sodium metal is not obtained. Hence molten sodium chloride is used to extract sodium from sodium chloride.

What are the side effects of sodium chloride?

What are the possible side effects of sodium chloride?
  • nausea and vomiting;
  • stomach pain; or.
  • swelling in your hands, ankles, or feet.

What does sodium chloride do to your body?

Sodium chloride (NaCl), also known as salt, is an essential compound our body uses to: absorb and transport nutrients. maintain blood pressure. maintain the right balance of fluid.

Is potassium chloride bad for your heart?

Avoid taking potassium supplements or products that contain potassium when you're on potassium chloride medication. You might end up with too much potassium in the blood, leading to health complications like irregular heartbeats or a heart attack.

Why acid is added in electrolysis of water?

Ans :Electrolysis of pure water is very low because water is an covalent compound so it can't ionize to release ions. To increase the conductivity of water a few drops of sulphuric acid is added . Being a strong acid it can ionize completely to release H+ ions.

Which type of reaction is electrolysis of water?

Answer: Electrolysis of water is its decomposition to give hydrogen and oxygen gases due to the passage of an electric current.

How much oxygen does electrolysis of water produce?

Therefore, we produce 243.86×105×3000=0.186 L of O2 per minute.

Which element is the most powerful reducing agent?

Lithium is, therefore, the most powerful reducing agent.

Which reducing agent is strongest?

Note: A strong reducing agent is a substance which itself undergoes oxidation in order to facilitate the process of reduction. Lithium, having the largest negative value of electrode potential, is the strongest reducing agent.

Which metal has highest reducing power?

Alkali metals are good reducing agents as they readily lose their electrons due to low ionization enthalpy. Among all the alkali metals, Lithium (Li)is the strongest reducing agent in aqueous solution.