List of Electrolytes

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List of Electrolytes

Definition of an Electrolytes: An electrolyte is a substance that ionizes into positive and negative ions when dissolved in an aqueous solution. These free ions in a solution consists of the property of conducting electricity in the aqueous state. The strength of the electrolyte depends on its ability to disassociate and conduct electricity.

There are basically three types of electrolytes:

Strong Electrolyte: A strong electrolyte when dissolved in water forms a solution that is a very good conductor of electricity. This implies that a strong electrolyte is a solute that completely or near to complete dissociates into all its ions in the solution. At the same temperature a solution of strong electrolytes has greater vapor pressure than pure water. Strong electrolytes include strong acids, strong bases and ionic salts.
Mentioned below in the table are few examples for strong electrolytes:
Strong Electrolyte Name
List of Acids  
HCl Hydrochloric acid
HBr Hydro-bromic acid
HI Hydro Iodic acid
HIO4 Per Iodic Acid
H2SO3 Sulphurous acid
H2SO4 Sulphuric acid
HNO3 Nitric acid
HBrO3 Bromic Acid
HBrO4 Perbromic Acid
HClO3 Chloric acid
HClO4 Per-chloric acid
List of Bases  
LiOH Lithium Hydroxide
NaOH Sodium Hydroxide
KOH Potassium Hydroxide
Ba(OH)2 Barium Hydroxide
Ca(OH)2 Calcium Hydroxide
Sr(OH)2 Strontium Hydroxide
RbOH Rubidium Hydroxide
CsOH Caesium Hydroxide
Mg(OH)2 Magnesium Hydroxide
NaH2 Sodium Amide
NaH Sodium Hydride
List of salts  
NaNO3 Sodium Nitrate
NaCl Sodium Chloride
LiCl Lithium Chloride
KCl Potassium Chloride
CuSO4 Copper Sulfate
KNO3 Potassium Nitrate
CaCl2 Calcium Chloride
CH3COONa Sodium Acetate
NaHCO3 Sodium Bi-carbonate
AgNO3 Silver Nitrate
The dissociation of the strong electrolyte occurs in one direction, which implies it is not reversible. The below equation is mentioned in an aqueous state because a strong electrolyte conducts electricity only in an aqueous state.
list of electrolytes
Cations and Anions: The ions can be classified into two types the cations and the anions.
The cations are positive changed ions which are formed by the loss of electrons.
The anions are negatively changed ions which are formed by gain of electrons.
Here is an example showing the disassociation of NaCl in water. This gives rise to two ions the sodium cation and the chloride anion in an aqueous solution. The disassociation is not reversible as NaCl is a strong electrolyte.
list of electrolytes
Weak Electrolyte: The electrolytes in which the solute does not completely dissociate in the solution is called a weak electrolyte. This implies in such solutions there are disassociated ions as well as molecules of the electrolytes. Therefore the weak electrolytes ionize less in aqueous solutions and conduct very less amount of electricity.
Mentioned below in the table is a list of few weak electrolytes:
Weak electrolytes Name
CH3COOH Acetic Acid
H2CO3 Carbonic Acid
H2CrO4 Chromic Acid
HF Hydrofluoric Acid
C6H5COOH Benzoic Acid
HNO2 Nitrous Acid
H3PO4 Phosphoric acid
H(C3H5O3) Lactic Acid
(COOH)2 Oxalic Acid
NH3 Ammonia
NH4OH Ammonium Hydroxide
HCN Hydrogen Cyanide
C5H5N Pyridine
(CH3)2NH Dimethylamine
(CH3)3N Trimethylamine
C2H5NH2 Ethylamine
C2H3N2 Glycine
The disassociation of a weak electrolyte is usually an equilibrium equation. This is because the weak electrolytes partially disassociate into positive and negative ions. Mentioned below are two examples for the disassociation of a weak electrolyte:
The Hydrogen cyanide when dissolved in an aqueous solution disassociates partially being a weak electrolyte. The HCN disassociates into a hydrogen cation and a cyanide anion in an aqueous state.
list of electrolytes
The Ammonium hydroxide disassociates into an ammonium cation and a hydroxide anion in an aqueous state.
list of electrolytes          
Non-Electrolyte: A substance which when dissolved in water lacks ions due to which there is no disassociation is called Non-electrolyte. A non-electrolyte has no ionization therefore it cannot conduct electricity. Most non-electrolytes are polar or non-polar molecules as they dissolve in water as molecules but do not dissociate as ions.
Non Electrolyte Name
O2 Oxygen
SO2 Sulphur dioxide
CO2 Carbon dioxide
CS2 Carbon disulphide
CCl4 Carbon tetrachloride
H2O Water
CH3OH Methanol
C2H5OH Ethanol
C12H22O11 Sucrose
C6H12O6 Glucose
CH2Cl2 Dichloromethane
CH3H8O3 Glycerol
Electrolysis: Electrolysis is the process of passing current through a solution of an electrolyte. In this process of electrolysis the negative and positive ions move towards their respective electrodes. The electrode attracts the ions of the opposite charge towards itself.
Electrolytic cell: The ‘Electrolytic cell,’ is where the process of electrolysis is conducted.
The electrolytic cell consists of a beaker which is filled with the electrolytic solution.
This cell is then connected to two conducting plates called the anode and the cathode.
The anode is a positive electrode that extracts electrons from the negatively charged ions which are the anions. The cathode is a negative electrode that provide electrons to a positively charged ions called the cations.
These two electrodes are connected to the D.C power supply terminals. The electric current enters through the positive electrode which is the anode passes through the electrolytic solution and leaves through the cathode.
list of electrolytes
The process of oxidation which is the loss of electrons takes place at the anode.
The process of reduction which is the gain of electrons takes place at the cathode.

What exactly do the electrolytes do?

A body cannot function without the electrolytes due to the important role they play in the cells.
  • They regulate the nerve and the muscle function in the body.
  • They help in maintaining stability in the cells and generate energy when required.
  • They control the body hydration, the pH levels in the blood and the blood pressure.
  • They responsible for rebuilding the damages tissues.
  • The electric tissues in the body are muscles and neurons. Electrolytes activate these electric tissues by:
o   Extracellular fluid (The fluid outside the cells.)
o   Interstitial fluid (The fluid inside the cells.)
o   Intra cellular fluid. (The fluid between the cells.)
  • The calcium (ca2+), Sodium (Na+) and potassium (K+) are required for muscle contractions.
The kidneys and other hormones present in the body ensure the electrolyte levels are balanced in the body. Exercise helps in losing the ions such as sodium and potassium and retain the balance. Eating a balance food especially the fresh fruits and vegetables regains the lost sodium and potassium levels in the body.

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