For a single step reaction $\mathrm{X}+2 \mathrm{Y} ightarrow$ Products, the molecularity is
For a single step reaction $\mathrm{X}+2 \mathrm{Y} ightarrow$ Products, the molecularity is
Zero
2
3
1
Solution
Since three molecules are colliding simultaneously, so molecularity is 3 . It is determined theoretically from the number of reactant molecules in a balanced chemical reaction.
.