Thu June 21, 2012 By: Shubhransu

why molecularity of a reaction is always a whole number

Expert Reply
Thu June 21, 2012
Molecularity is the number of atoms, ions or molecules that must collide with one another simultaneously so as to result into a chemical reaction. So, it will always be a whole number, as half or 3/4 of ion or atom can't collide.
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