11th Class Chemistry Hydrocarbons

  • question_answer 41)   Arrange the halogens \[{{F}_{2}},C{{l}_{2}},B{{r}_{2}},{{I}_{2}}\]in order of their increasing reactivity with alkanes : (a) \[{{I}_{2}}<B{{r}_{2}}<C{{l}_{2}}<{{F}_{2}}\]  (b) \[B{{r}_{2}}<C{{l}_{2}}<{{F}_{2}}<{{I}_{2}}\]  (c) \[{{F}_{2}}<C{{l}_{2}}<B{{r}_{2}}<{{I}_{2}}\]         (d) \[B{{r}_{2}}<{{I}_{2}}<C{{l}_{2}}<{{F}_{2}}\]

    Answer:

      (a) Reactivity   decreases   down   the   group   as   the electro negativity or electrode potential of halogen decreases down the group.


You need to login to perform this action.
You will be redirected in 3 sec spinner