The reactions occur due to
Correct answer: C. Collisions between molecules
- A. Slow moving molecules
- B. Polar molecules
- C. Collisions between molecules
- D. High Ea
Explanation
Collisions between molecules is the fundamental reason for reactions. For a chemical reaction to occur, molecules must collide with eachother. However, its not just any collision, it must be an effective collision where the molecules have sufficient energy and the correct orientation to overcome the activation energy barrier. So, in summary, while all these factors play a role in chemical reactions, the primary cause of reactions is collisions between molecules.
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About Reaction Kinetics
Reaction kinetics relates reaction rate to concentration, temperature, surface area and catalysts. Questions cover rate laws, reaction order, rate constants, activation energy and the activated complex, including how a catalyst lowers the activation energy without changing the overall energy change or equilibrium position.
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