Question

# A certain reaction is described as $$A + B\rightarrow C$$.Just because a molecule of $$A$$ collides with a molecule of $$B$$, this does not necessarily result in the formation of a molecule of $$C$$.Which of the following choices best describes the factor or factors that help to determine whether or not a molecular collision between $$A$$ and $$B$$ will result in the formation of product $$C$$?

A
Molecules of A and B must have the proper orientation when they collide with each other.
B
Molecules of A and B must have enough energy to overcome the activation energy barrier.
C
Molecules of A and B must have enough energy to overcome the activation energy barrier and they must have the proper spatial orientation.
D
For there to be a successful collision, molecules of A and B must be in the gas phase when they collide with each other.

Solution

## The correct option is A Molecules of $$A$$ and $$B$$ must have the proper orientation when they collide with each other.$$A+B\longrightarrow C$$ According to collision theory, for a reactant to from product, the reactants must collide each other with proper orientation. Therefore, $$(A)$$ is the correct answer.Chemistry

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