Assertion (A) : The order a reaction can have a fractional value
Reason (R) : The molecularity of a reaction can have a fractional value.

The molecularity of a reaction can never be a fraction.

Assertion (A) : The order of a reaction can have fractional value Reason (R) : The order of a reaction cannot be written from balanced equation of a reaction.

The order of reaction may be a fractional number.

The order of reaction may be a fractional number.

Order of reaction cannot be fractional.

Assertion (A) : The molecularity of a reaction may 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 for the reaction to occur.