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Inert Effect on Chemical Equilibrium - Chemical Equilibrium Video Lecture | Physical Chemistry

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FAQs on Inert Effect on Chemical Equilibrium - Chemical Equilibrium Video Lecture - Physical Chemistry

1. What is the inert effect on chemical equilibrium?
Ans. The inert effect on chemical equilibrium refers to the influence of an inert gas on the equilibrium position of a chemical reaction. When an inert gas is added to a reaction system at constant volume and temperature, it does not participate in the reaction but occupies space. This results in an increase in the total pressure of the system, causing the equilibrium position to shift in a way that reduces the effect of the added gas.
2. How does the addition of an inert gas affect chemical equilibrium?
Ans. Adding an inert gas to a reaction system at constant volume and temperature does not affect the equilibrium constant or the concentrations of the reactants and products. However, it does increase the total pressure of the system, leading to a shift in the equilibrium position according to Le Chatelier's principle. If the total number of moles of gas in the reactants and products is unequal, the equilibrium will shift towards the side with fewer moles of gas to reduce the effect of the added gas.
3. Can the addition of an inert gas change the equilibrium constant of a reaction?
Ans. No, the addition of an inert gas does not change the equilibrium constant (K) of a reaction. The equilibrium constant depends only on the temperature and the stoichiometry of the balanced chemical equation. The presence of an inert gas does not alter the concentrations of the reactants and products, which are the determining factors for the equilibrium constant. Therefore, the equilibrium constant remains unchanged.
4. What are some examples of inert gases commonly used in chemical reactions?
Ans. Some examples of inert gases commonly used in chemical reactions are helium (He), argon (Ar), neon (Ne), and krypton (Kr). These gases are chemically unreactive and do not participate in the reaction. They are often used to create inert atmospheres to prevent unwanted reactions or to study the effect of pressure on equilibrium without interfering with the reaction itself.
5. How does the inert effect on chemical equilibrium relate to industrial processes?
Ans. The inert effect on chemical equilibrium is essential in various industrial processes. By adding inert gases, such as nitrogen or argon, to reaction systems, the equilibrium position can be manipulated to increase the yield of desired products. This is particularly important in reactions where high pressures are involved, as the addition of an inert gas can help maintain the pressure while minimizing the impact on the equilibrium position. Additionally, inert gases are used to create controlled atmospheres in industrial processes to prevent unwanted reactions or ensure the stability of reactive substances.
81 videos|142 docs|67 tests
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