Which of the following affects the rate constant of a reaction?A.The entropy of the reactionB.The volume of the systemC.The enthalpy of the reactionD.The temperature of the systemSUBMITarrow_backPREVIOUS
Question
Which of the following affects the rate constant of a reaction?A.The entropy of the reactionB.The volume of the systemC.The enthalpy of the reactionD.The temperature of the systemSUBMITarrow_backPREVIOUS
Solution
The rate constant of a reaction is affected by the temperature of the system (Option D). This is because the rate constant is directly proportional to the temperature; as the temperature increases, the rate constant also increases. This is due to the fact that at higher temperatures, molecules have more kinetic energy and thus collide more frequently and with greater energy, leading to an increased rate of reaction.
The entropy (Option A) and enthalpy (Option C) of the reaction do not affect the rate constant. They are state functions and only depend on the initial and final states of a system, not on the path taken to get from one to the other.
The volume of the system (Option B) also does not affect the rate constant. The rate constant is an intrinsic property of the reaction and does not depend on the volume of the system.
So, the correct answer is D. The temperature of the system.
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