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Ionic Equilibrium, Acids, Bases and Salts and Ionic Product Video Lecture | Chemistry Class 11 - NEET

FAQs on Ionic Equilibrium, Acids, Bases and Salts and Ionic Product Video Lecture - Chemistry Class 11 - NEET

1. What is ionic equilibrium and why is it important in chemistry?
Ans.Ionic equilibrium refers to the balance between the concentration of ions in a solution and the compounds that dissociate into those ions. It is important because it helps explain various chemical reactions, particularly those involving acids, bases, and salts. Understanding ionic equilibrium is crucial for predicting how substances will behave in solution, which is vital in fields like biochemistry and environmental science.
2. How do acids and bases affect ionic equilibrium?
Ans.Acids and bases influence ionic equilibrium by altering the concentrations of hydrogen ions (H+) and hydroxide ions (OH-) in a solution. For example, adding an acid increases H+ concentration, which can shift the equilibrium position of certain reactions. This balance can determine the pH of a solution, which is essential for various chemical processes and biological functions.
3. What is the ionic product of water and its significance?
Ans.The ionic product of water (Kw) is the equilibrium constant for the self-ionization of water, defined as the product of the concentrations of hydrogen ions and hydroxide ions in pure water at a specific temperature (25°C). It is significant because it establishes the basis for pH scale and helps in understanding the behavior of acids and bases in aqueous solutions.
4. How can one calculate the pH of a solution using ionic equilibrium concepts?
Ans.To calculate the pH of a solution, one must first determine the concentration of hydrogen ions (H+). The pH is calculated using the formula pH = -log[H+]. If the solution is a strong acid or base, the concentration can be directly used. For weak acids or bases, the equilibrium concentrations need to be calculated using the dissociation constant (Ka or Kb) to find the H+ concentration.
5. What role do salts play in ionic equilibrium?
Ans.Salts influence ionic equilibrium by dissociating into their respective ions when dissolved in water. The presence of these ions can shift the equilibrium of weak acids and bases, affecting their pH and overall chemical behavior. Salts also contribute to the ionic strength of a solution, which can impact reaction rates and equilibria in various chemical processes.
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