Question

Assertion (A) The molecularity can be a fraction.
Reason (R) The molecularity of a reaction is the number of molecules whether of the same or different species that must contact simultaneously in a single step in order to reaction to occur.

• A. Both $A$ and $R$ are correct and $R$ is the correct explanation of $A$.
• B. Both $A$ and $R$ are correct, but $R$ is not the correct explanation of $A$.
• C. $A$ is correct but, $R$ is incorrect.
• D. $R$ is correct but, $A$ is incorrect.

Answer 1

Answer: (D)

The molecularity cannot be a fraction. As the molecularity of a reaction is the number of molecules whether of the same or different species that must contact simultaneously in a single step in order for a reaction to occur.