What is the difference between electrolyte solution conduction and metal conduction?

1: Electrolytes.

The conduction of electricity is accompanied by chemical reactions. Because the ion must gain electrons at the cathode in the end, and must lose electrons at the anode to form a pathway, otherwise it can only form a potential difference.

However, a continuous current cannot be formed, and the metal conduction is not accompanied by a chemical reaction.

2: The conduction of electrolytes is the movement of charged ions in the electrolyte to produce an electric current, whereas the conductivity of metals is the movement of electrons to produce an electric current (the essence is the overall shift of electrons).

The way in which an electrolyte conducts electricity is not the same as that of a metal conductor. In a metallic conductor, the current is transported by the movement of free electrons, and in the electrolyte, it is by charged ions. In the electrolyte, because the charges of positive and negative ions are equal, they are not electrically electric, and we call them electroneutral.

When we apply voltage to the electrolyte, the ions run towards the electrode opposite to their own polarity due to the attraction of a strong electric field. The cations run to the cathode, and the anions run to the anode. Their movement allows an electric current to pass through, which is how electrolytes conduct electricity.

The conduction of metals is the electrons inside the metal, and the electrons inside the metal are free.

Electrolyte conductivity is the directional migration of charged ions in a solution in an electric field.

So the essence is different.

But electric current is the flow of electrons.

The conduction of a metal is the directional movement of electrons inside the metal.

The conductivity of the electrolyte is the anition of the charged ions in the solution when they are energized.

Directional movement.

Metallic conduction is the brother of free electrons that burns directional movement. The electrolyte solution conducts electricity and is the directional movement of anions and cations. 1. Principle of metal conductivity:

1) Electron gas theory: due to the small number of electrons in the outermost shell of metal atoms, it is easy to lose electrons to become metal ions, and the valence electrons shed by the metal are almost evenly distributed in the whole crystal, like the "electron gas" that spreads all over the whole metal, so as to maintain all metal atoms together. These electrons are also known as free electrons.

2) In metal crystals, the movement of free electrons does not have a certain direction, but under the condition of an external electric field, the directional movement of free electrons forms an electric current, so the metal is easy to conduct electricity. Different metals have different electrical conductivity. The three most conductive metals are:

Ag, Cu, Al2, electrolyte solution conductive principle: (1) The electrolyte ionizes anions and cations in the solution, and the wires put in are regarded as two poles, and the positive electrode connected to the power supply is called the anode, and the negative electrode connected to the power supply is called the cathode. And at the same time, along with the electrolysis process of the electrolyte solution, the oxidation reaction occurs on the anode and the reduction reaction occurs on the cathode.

2) Factors affecting the conductivity of the electrolyte solution: a. When other conditions are the same, the concentration of ions in the electrolyte solution and the charge of the ions, the higher the total concentration of the ions, the more charge and the stronger the conductivity. b. Temperature:

Generally speaking, when the temperature of the electrolyte solution increases, the conductivity is enhanced, because the temperature is high, and the ion movement rate is large, and the change of weak electrolyte solution such as acetic acid solution is particularly obvious.

The difference between electrolyte conduction and metal conduction is mainly that they conduct electricity by different mechanisms.

Metal conductivity means that the free electrons in the metal can move freely in the metal, thus forming an electric current. The free electrons in metals are made up of metal atoms that lose some of their electrons in the metal, forming an electron gas. These free electrons can flow freely in the metal, making the metal an excellent conductor.

Whereas, electrolyte conductivity means that in the electrolyte solution, when the electrode is in contact with the electrolyte solution, the electrolyte molecules will release ions on the electrode and form an ion cloud near the electrode, which can move in the electrolyte solution and hail into an electric current. Electrolyte conduction is due to the fact that the electrolyte molecules dissolved in water are able to form ions in the water, and these ions can move freely in the water, thus conducting electricity.

As a result, electrolytes conduct electricity by different mechanisms than metals, resulting in very different properties and applications.

Answer: The conductivity of the solution is related to a variety of factors, and these factors should have: 1

Ion concentration, under the same conditions, the large concentration of envy ions has a strong conductive ability. 2.The number of charges carried by an ion, the higher the charge of the ion, the stronger the conductivity.

3.The conductivity of the strong electrolyte solution is greater than that of the weak electrolyte solution under the same conditions.

The conductivity of the electrolyte solution is mainly determined by the concentration of the ions and the number of charges carried by the ions.

Electrolyte solution refers to a solution in which the electrolyte is partially or completely dissociated into the corresponding positively and negatively charged ions after being dissolved into a solvent, and the ions can move independently in the solution. Broadly speaking, solid ionic crystal materials also belong to the category of solutions, but unless otherwise specified, electrolyte solutions are limited to the liquid state.

Electrolyte solution refers to the solution in which the solute is completely or partially dissociated into a dissociated cavity after being dissolved in a solvent. The solute is the electrolyte. Conductivity is the property of electrolyte solution, acid, alkali, and salt solution are all electrolyte solutions.

The electrolyte solution is achieved by the combination of positively charged cations and negatively charged anions dissociated from the electrolyte, which move directionally to the corresponding electrode under the action of an external electric field and discharge on it.

Electrolyte conductivity is ionic conductivity, and its size increases with increasing temperature. Ionic conduction must be electrolytically interacted at the electrode interface, causing a change in the substance (the electrolyte in question). Metallic conductors that usually rely on free electrons to conduct electricity are the first type of conductors, while electrolyte solutions and melts are called second type of conductors.

Strong electrolytes

Strong acids: HCl, HBR, HI, H2SO4, HNO3, HCO3, HCO4, etc.

Strong bases: Naoh, Koh, Ba(OH)2, Ca(OH)2, etc.

Most of the meltable salts: such as NaCl, (NH4)2SO4, Fe(NO3)3, etc.

Some of the substances that can conduct electricity are electrolytes and some are not.

For example, Cu is a substance that conducts electricity, but it is neither an electrolyte nor a non-electrolyte.

Ammonia is a substance that conducts electricity, but it is neither an electrolyte nor a non-electrolyte.

Liquid NaCl is a substance that conducts electricity and is also an electrolyte.

Electrolytes, some of which conduct electricity, some of which are not.

NaCl crystals, for example, are electrolytes, but they cannot conduct electricity.

Liquid HCl, which belongs to the electrolytic tung repentance, but cannot conduct electricity.

Liquid NaCl, a substance that conducts electricity, is also an electrolyte.

Follow-up: Among these pure substances, the one that can conduct electricity at room temperature is the one that belongs to the electrolyte