MP Board · Class 12 · Chemistry · Chemical KineticsThe rate of a chemical reaction generally increases with an increase in temperature because:
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Total Attempts: 8
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Step-by-Step Solution
With an increase in temperature, the kinetic energy of the molecules increases, which increases the number of effective collisions per second and lowers the fraction of molecules with energy less than activation energy.
Detailed Options Breakdown
Option : Activation energy increases
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Chemical Kinetics.
Option 1: Collision frequency and kinetic energy increase (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Threshold energy decreases
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Chemical Kinetics.
Option 3: Reactants turn into products spontaneously
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Chemical Kinetics.
💡 Study Guide: This question tests core syllabus concepts from Chemical Kinetics. For formulas, key summaries, and mock exam reference guides, read the full Chemical Kinetics Revision Notes.