Instantaneous rate of reaction: is there any rate?
Correct answer: B. One instant
- A. At equilibrium
- B. One instant
- C. Given temperature
- D. Given pressure
Explanation
As the name indicates, the instantaneous rate of a reaction is the rate of the reaction at any instant. So option B is the correct option.
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About Rate of Reaction
Reaction rate measures the change in concentration of a reactant or product per unit time. Questions connect rate with concentration, temperature, pressure, surface area, catalysts and nature of reactants, and may involve rate laws, reaction order, activation energy and collision theory. Rate describes speed, whereas equilibrium describes the final balance of opposing reactions.
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