Acids like HCl, H2SO4 ,HNO3 when dissolved in water dissociates almost completely thus producing a large number of H+ ions.These acids are called strong acids. Acids like CH3COOH , HF, H2CO3, H3PO4 dissociates only to a small extent in the aqueous solution giving small amount of H+ ions and hence are called weak acids. Bases like NaOH , KOH dissociate almost completely in … [Read more...] about Dissociation or Ionization of Acids And Bases
Class 11
Ionisation of Weak Electrolytes
When acetic acid is dissolved in water, it dissociates partly into H+ and H3O+ and CH3COO‾ ions as: CH3COOH + H2O CH3COO‾ + H3O+ In dilute solution , concentration of water is constant. The product of K and constant The product of K and is denoted by Ka, the ionization constant or dissociation constant of the acid. If C represents the initial … [Read more...] about Ionisation of Weak Electrolytes
Concepts of Acids and Bases
Classical concept of acids and bases Acid is a substance whose aqueous solution possessed the following characteristic properties 1)conduct electricity 2) reacts with active metals like zinc ,magnesium to give hydrogen 3) turns blue litmus to red 4) has a sour taste 5)whose acidic properties disappear on reaction with a base Base is a substance whose … [Read more...] about Concepts of Acids and Bases
Ionic Equilibrium
An electrolyte is defined as a compound whose aqueous solution or melt conduct electricity. A compound whose aqueous solution or melt does not conduct electricity is called a non-electrolyte. Aqueous solution of inorganic acids, bases and salts conduct electricity and hence they are electrolytes. Aqueous solution of sugar, urea do not conduct electricity and hence they … [Read more...] about Ionic Equilibrium
Equilibria in Chemical processes
A reaction in which not only the reactants react to form the products under certain conditions but also the products react to form reactants under the same conditions is called a reversible reaction. A reaction which takes place not only in forward direction but also in the backward direction under the same conditions is called reversible reaction, For … [Read more...] about Equilibria in Chemical processes