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FAQs on Chemical Equilibrium (Advanced) - Practice Sheet Solution, Class 11, Chemistry - Additional Study Material for NEET

1. What is chemical equilibrium?
Ans. Chemical equilibrium is a state in a chemical reaction where the forward and reverse reactions occur at equal rates, resulting in no net change in the concentrations of reactants and products. It is characterized by a dynamic balance between the rates of the forward and reverse reactions.
2. How is chemical equilibrium established?
Ans. Chemical equilibrium is established when the rate of the forward reaction becomes equal to the rate of the reverse reaction. This occurs when the concentrations of reactants and products reach certain values where the rates of the forward and reverse reactions are equal, leading to a stable state of equilibrium.
3. What factors can affect chemical equilibrium?
Ans. Several factors can affect chemical equilibrium, such as changes in temperature, pressure, and concentration. Increasing the temperature generally favors the forward reaction in an exothermic reaction and the reverse reaction in an endothermic reaction. Changing the pressure can affect equilibrium only if there is a change in the number of moles of gas molecules. Altering the concentration of reactants or products can also shift the equilibrium position.
4. How does Le Chatelier's principle apply to chemical equilibrium?
Ans. Le Chatelier's principle states that if a system at equilibrium is subjected to a change in conditions, it will respond in a way that minimizes the effect of the change. For example, if the concentration of reactants is increased, the equilibrium will shift to the right to consume the excess reactants and restore equilibrium. Similarly, if the temperature is increased, the equilibrium will shift in the direction that absorbs heat.
5. Can chemical equilibrium be disturbed?
Ans. Yes, chemical equilibrium can be disturbed by changing the conditions of the system. This can be done by altering the temperature, pressure, or concentration of reactants or products. When the equilibrium is disturbed, the system will respond by shifting the equilibrium position to counteract the change and restore equilibrium.
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