Velocity of a chemical reaction___________________?
Correct answer: D. None of these
- A. Decreases with increase in temperature
- B. Increases with increase of pressure of reactants for all reactions
- C. Decreases with increase of reactant concentration
- D. None of these
Explanation
Reaction velocity generally increases with temperature, while pressure does not increase the rate for every reaction and concentration effects depend on the rate law. Therefore none of the first three statements is universally true.
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