Strong and Weak electrolytes |Difference|Examples

Strong and Weak Electrolytes: An electrolyte solution contains electrolyte in a molten state(liquefied by heat).It contains ions, molecules that have lost or gained an electron.These solutions contain two ions, positive and negative ions which cause the mobility and conduct electricity.How much ions produce in quantity depends upon Strong and Weak Electrolytes. Strong and Weak electrolytes

Difference between Strong Electrolytes and Weak Electrolytes

Strong Electrolytes Weak Electrolytes
  1. Electrolytes which allow a large amount of electricity to flow through them.
  1. Electrolytes which allow small amounts of electricity to flow through them.
2.These are good conductors. 2. These are poor of electricity.
3.These are almost completely dissociated in fused or aqueous or aqueous solution state. 3. These are partially dissociated in fused or aqueous or aqueous solution state.
4.These solutions contain (almost) only free mobile ions. 4.These solutions contain ions as well as molecules.
5.Strong electrolyte allows a bulb to glow brightly. 5.Weak electrolytes allow a bulb to glow dimly.

Examples of Strong and Weak Electrolytes

  Strong Electrolytes Weak Electrolytes
  •  Hydrogen chloride,
  • Sulphuric acid,
  • Nitric acid, etc
  • Carbonic acid,
  • Oxalic acid,
  • Acetic Acids, etc
  •  NaOH,
  • KOH

Both are in an aqueous or molten state.

  • Calcium hydroxide,
  • ammonium hydroxide, (aqueous or molten state)
  • NaCl (molten or aqueous)
  • PbBr2 (molten),
  • CuCl2, (aq)
  • CuSO4(aq)
  •  Sodium carbonate and
  • Its bicarbonate

The diagram shows Formation of ions.

Strong and Weak electrolytes

Types of Electrolytes

Basically, There are two types of conductor

1.Metallic conductor and

2.Electrolyte conductor( electrolytes).


Conductors are the substances which allow electricity(or electrons) to flow through them.While substances which do not allow the flow of electric current are called non-conductors or insulator.

Metallic conductors

Metallic conductors are also called as electronic conductors because they conduct current due to movement of electrons. They may be metals, semimetals (metalloids) and also alloys(which is a combination of more than one metal ).
Depending on their capacity metal can be classified as a good and poor conductor. On supplying energy, with the help of a battery, this allows passage of current(or electrons).The rise of temperature and electric energy of a battery also responsible for conductivity.

Strong and Weak electrolytes

Therefore, the number of factors on which conductance depends is

1 Nature of metal number

2. Number of Valence Electrons

3. Temperature

Electrolytic conduction

Electrolytic conductors also are known as electrolytes.These are those which allow the flow of current in the liquid (aqueous)state but not in a solid state like metals. Their conductivity increases with the rise in temperature. Electrolytes are generally acid, base and salt.These electrolytes divided into two parts: Strong and Weak Electrolytes.

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