Class XI Chemistry Quiz: Equilibrium
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Preview questions
1. What is equilibrium in a chemical reaction?
No reactants are present · Rate of forward reaction equals rate of reverse reaction · All reactants are converted to products · Temperature remains constant
2. Which of the following is a characteristic of dynamic equilibrium?
Reactants are completely converted to products · The concentrations of reactants and products remain constant · Only the forward reaction occurs · The system is at rest
3. Le Chatelier's principle is used to predict the effect of changes in which of the following?
Concentration only · Temperature and pressure only · Concentration, temperature, and pressure · Volume only
4. What happens to the equilibrium position when the concentration of a reactant is increased?
Shifts to the right · Shifts to the left · No change · Equilibrium is destroyed
5. In an exothermic reaction, what effect does increasing the temperature have on equilibrium?
Shifts to the right · Shifts to the left · No effect · Increases the rate of reaction
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