Which description best defines a productive collision?

Which description best defines a productive collision?

• A. Collision with any energy
• B. Collision with sufficient energy and correct orientation
• C. Collision that occurs at minimum energy but wrong orientation
• D. Collision with sufficient energy regardless of orientation

Answer: (B)

Productive collisions happen only when a collision has enough energy to overcome the activation barrier and the reacting molecules are oriented so that the atoms can interact to form new bonds. Energy puts the system over the barrier to reach the transition state, while correct orientation aligns the reacting parts so bonds can form during the impact. If energy is enough but orientation is wrong, the atoms don’t align to form the products. If orientation is right but energy isn’t enough, the collision won’t reach the transition state. When both conditions are met, the collision leads to product formation.

Productive collisions happen only when a collision has enough energy to overcome the activation barrier and the reacting molecules are oriented so that the atoms can interact to form new bonds. Energy puts the system over the barrier to reach the transition state, while correct orientation aligns the reacting parts so bonds can form during the impact. If energy is enough but orientation is wrong, the atoms don’t align to form the products. If orientation is right but energy isn’t enough, the collision won’t reach the transition state. When both conditions are met, the collision leads to product formation.