The negative electrode is connected to the negative terminal of cell/battery in a DC circuit. This electrode is called the cathode. Think of the cathode as being covered with electrons that are coming from the cell. So the cathode is negatively charged.
The positive electrode is called the anode. This is connected to the positive terminal of the cell/battery. Think of the anode as having a lack... more
Example of an electrolyte.
Sodium chloride in the solid state, is an ionic compound that has positively charged sodium ions (cations) and negatively charged chloride ions (anions) held together in fixed positions in a regular lattice structure.
When this ionic compound is molten or dissolved in a solution, the cations and anions are SPLIT from their fixed positions and free to move. This electro... more
Why must the electrolyte be a liquid?
The Ions vibrate in a solid but cannot move around.
The ions are free to move in a liquid.
The liquid can conduct electricity.
What does the process involve? I'm glad you asked :)
Two electrodes are connected to a direct current (d.c) supply and placed into the electrolytes. The electrolyte is typically an ionic compound, for example, sodium chloride.
When an ionic solid is melted or dissolved in water, the electrostatic forces of attraction (ionic bonds) between the negatively and positively charged ions, break. This a... more
Electrolysis is a scientific way of splitting substances.
Electrolysis means "current-splitting" - it involves the separation of substances through an electric current.
Electro = an electric current made up of freely moving electrons
Lysis = to split/break apart
Electrolysis is the process of splitting up molten/dissolved substances, using an electric current.
Electrolysis uses electrical energy, transferred from a direct current supply, to split apart (decompose) electrolytes.
Decompose: The prefix "... more
Electrolysis results in either oxidation or reduction. It is the process of effecting chemical change through the allocation of electric current in a substance. The positively charged ions move towards the negatively charged ions and receive electrodes and vice versa.
Positively charged ions moves to the negative electrode.
-They receive electrons and are known as reduced.
Negatively charged ions move to the positive electrode.
-They lose electrons and are oxidised.
-The substance that is broken down is called the electrolyte.
I hope this helps
Ionic substances contain charged particles called ions. For example, lead bromide contains positively charged lead ions and negatively charged bromide ions.
Electrolysis is the process by which ionic substances are decomposed (broken down) into simpler substances when an electric current is passed through them.
Electricity is the flow of electrons or ions. For elec... more
Electrolysis is a process by which electrical energy is used to produce a chemical change. Perhaps the most familiar example of electrolysis is the decomposition (breakdown) of water into hydrogen and oxygen by means of an electric current. The electrolysis of water illustrates the changes that take place when an electric current passes through a chemical compound. Water consists of water molecule... more
In chemistry and manufacturing, electrolysis is a technique that uses a direct electric current (DC) to drive an otherwise non-spontaneous chemical reaction. Electrolysis is commercially important as a stage in the separation of elements from naturally occurring sources such as ores using an electrolytic cell. The voltage that is needed for electrolysis to occur is called the decomposition potenti... more
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