Question

Order and molecularity of a chemical rxn definition chemistry

Answer 1

Answer:

DEFINITION: Order Sum of the exponents of the molar concentration(s) in the rate law expression. Molecularity The number of atoms, ions, molecules that must collide with one another simultaneously to result into a chemical reaction. Order need not be a whole number. It can be fractional or zero.

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Answer 2

Explanation:

1. Molecularity of the reaction can be defined as the total number of reacting species in a rate-determining step. On the other hand, the order of reaction is the summation of powers of concentration of the reactant molecules in the rate equation of the reaction.