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Questions and Answers
According to the collision theory, a chemical reaction takes place only by collisions between the reacting species.
According to the collision theory, a chemical reaction takes place only by collisions between the reacting species.
True (A)
Not all collisions between reactants are effective.
Not all collisions between reactants are effective.
True (A)
The rate of the reaction depends on the frequency of collisions.
The rate of the reaction depends on the frequency of collisions.
True (A)
The speed of a reaction is inversely proportional to the rate of reactant collisions.
The speed of a reaction is inversely proportional to the rate of reactant collisions.
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For collisions to be successful, reacting particles must collide with sufficient energy and proper orientation.
For collisions to be successful, reacting particles must collide with sufficient energy and proper orientation.
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Study Notes
Collision Theory
- Chemical reactions occur as a result of collisions between reacting species.
- Not all collisions between reactants lead to a reaction, only effective collisions result in a reaction.
- The frequency of collisions affects the rate of the reaction, with a higher frequency resulting in a faster reaction.
- The speed of a reaction is inversely proportional to the rate of reactant collisions, meaning slower collisions result in a faster reaction.
- For a collision to be successful, reacting particles must collide with sufficient energy, known as the activation energy.
- Additionally, reacting particles must collide with the proper orientation, ensuring that the molecules are aligned correctly for a reaction to occur.
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