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The illustration depicts possible routes of collisions in the reaction CH₂CH₂ + HCl CH₃CH₂Cl. Which of the following statements is true?

AThe chlorine atom does not participate in the reaction.

BThe hydrogen atom does not participate in the reaction.

CThe speed of the collision is essential.

DThe orientation of the reactants is critical.

The illustration depicts possible routes of collisions in the reaction CH CH + HCl CH CH Cl. Which of the following statements is true? A. The chlorine atom doe class=

Verified Answer :

syed514

The best option is D. The orientation of the reactants is critical. 
Since chlorine and hydrogen both participate in the reaction and speed is not essential.

Answer: The correct answer is Option D.

Explanation:

For two species to react, the collision between the atoms must be effective.

The chemical equation for the reaction illustrated in the image follows:

\(CH_2CH_2+HCl\rightarrow CH_3CH_2Cl\)

Chlorine and hydrogen atoms are getting attached to the reactant, therefore they are participating in the reaction.

There are 2 factors on which the effective collisions depends:

  1. Energy factor: This factor states that the colliding molecules must have energy greater than the threshold energy.
  2. Orientation factor: This factor states that the colliding molecules must have a proper orientation at the time of collision.

In the image illustrated, the orientation of the reactant is not proper for the collision. Hence, the correct answer is Option D.

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