Question

The number of molecules of the reactants taking part in a single step of the reaction tells about:

• A. molecularity of the reaction
• B. mechanism of the reaction
• C. order of reaction
• D. all of the above

Answer 1

The correct option is A molecularity of the reaction

Single step reaction is an elementary and in elementary reaction its molecularity is equal to the number of molecules taking part in a reaction.

Therefore option (A) is correct.