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Introduction to Ionic Equilibrium Video Lecture | Physical Chemistry

FAQs on Introduction to Ionic Equilibrium Video Lecture - Physical Chemistry

1. What is an ionic equilibrium?

An ionic equilibrium refers to a chemical equilibrium that involves the presence of ions in a solution. In this equilibrium, the rate of ionization of a compound into its constituent ions is equal to the rate of recombination of ions to form the compound.

2. How is the equilibrium constant (K) related to ionic equilibrium?

The equilibrium constant (K) is a measure of the extent of the ionic equilibrium. It is calculated by dividing the concentration of the product ions raised to their stoichiometric coefficients by the concentration of the reactant ions raised to their stoichiometric coefficients. The value of K indicates whether the equilibrium favors the reactants or the products.

3. What factors affect the ionic equilibrium?

Several factors can influence the ionic equilibrium. Temperature, concentration of reactants and products, pressure (in the case of gases), and the presence of catalysts or inhibitors can all affect the equilibrium position. Changes in these factors can shift the equilibrium towards the reactants or the products.

4. How can we calculate the pH of a solution involving ionic equilibrium?

To calculate the pH of a solution involving ionic equilibrium, we need to consider the concentration of hydrogen ions (H+) or hydroxide ions (OH-) in the solution. Depending on the ionic equilibrium, we can use the ionization constant of water (Kw) or the dissociation constants of acids or bases to determine the concentration of these ions and then calculate the pH using the equation pH = -log[H+] or pOH = -log[OH-].

5. What is the significance of ionic equilibrium in biological systems?

Ionic equilibrium plays a crucial role in biological systems. Many biological processes, such as enzyme reactions, cellular signaling, and pH regulation, rely on the proper balance of ions in the body. Maintaining the right ionic equilibrium is essential for the functioning of cells and organs. Imbalances in ionic equilibrium can lead to various health issues and disrupt normal biological processes.

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Oct 05, 2025 Last updated

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