Effective collisions are those in which molecules must:

have energy equal to or greater than the threshold energy

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have proper orientation

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acquire the energy of activation

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all of the above

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Solution

The correct option is D all of the above
Option (D) is correct. These are the characteristics of effective collisions.
Effective collisions are collision between two reactants with the appropriate orientation & with sufficient energy to overcome the activation energy barrier.
The number of effective collisions increases exponentially with an increase in temperature.

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Similar questions

Q. Assertion :Only effective collisions lead to chemical reaction. Reason: Molecules undergoing effective collisions are associated with energy greater than or equal to the activation energy.

Which of the following statements is incorrect about the collision theory of chemical reaction?

(a) It considers reacting molecules or atoms to be hard spheres and ignores their structural features
(b) Number of effective collisions determines the rate of reaction
(c) Collision of atoms or molecules possessing sufficient threshold energy results into the product formation
(d) Molecules should collide with sufficient threshold energy and proper orientation for the collision to be effective

Q. Calculate the fraction of molecules of reactants having energy equal to or greater than activation energy?

In the equation k = Z_AB e^-E_a^/RT, e^-E_a^/RT represents

Q. At

300 K, 50

of molecule collide with energy grater than or equal to

E_{a}

. At what temperature,

25

molecule will have energy greater than or equal to

E_{a}

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