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Class 11

Dissociation or Ionization of Acids And Bases

Last Updated on May 3, 2020 By Mrs Shilpi Nagpal Leave a Comment

Equilibrium constant for dissociation of weak acid

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

Ionisation of Weak Electrolytes

Last Updated on May 3, 2020 By Mrs Shilpi Nagpal 3 Comments

equilibrium constant when acetic acid is dissolved in water

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

Last Updated on May 3, 2020 By Mrs Shilpi Nagpal 8 Comments

Reaction between acetic acid and water

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

Last Updated on May 3, 2020 By Mrs Shilpi Nagpal Leave a Comment

ionisation constant

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

Last Updated on March 20, 2019 By Mrs Shilpi Nagpal 1 Comment

Reversible reactions

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

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