1.

Which of the following has the maximum value of mean free path?A. `H_(2)`B. `N_(2)`C. `O_(2)`D. `Cl_(2)`

Answer» Mean free path is the average distance travelled by a molecule between two successive collisions. Obivously, the molecule with smaller molecular size will have greater mean free path. Hence, the correct choice is (`a`), `H_(2)`.


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